Have you ever written an email and stopped at the phrase “who to contact or whom to contact”? You are not alone. Both words sound almost identical in everyday speech, but traditional English grammar gives them different jobs in a sentence. This can make a simple question feel surprisingly difficult.
The confusion usually comes from the fact that who is a subject pronoun, while whom is traditionally used as an object pronoun. When you ask, “Who should I contact?” the word who is commonly used in modern American English. But when you ask, “Whom should I contact?” you are using the more formal traditional rule because the person is the object of the verb contact.
So, should you write “who to contact” or “whom to contact”?
In most everyday and modern US English, “who to contact” is the natural choice. “Whom to contact” is grammatically traditional and can sound more formal or old-fashioned. The best choice depends on the level of formality and the style of English you are using.
Let’s break down the difference in a simple way. 👇 Bespeckled or Bespectacled | Any Problem or Any Problems | An Hilarious or a Hilarious
Quick Answer: Who to Contact or Whom to Contact?
“Who to contact” is the more common and natural phrase in modern US English. “Whom to contact” follows the traditional object-pronoun rule and is grammatically acceptable, especially in very formal writing.
For everyday conversations, emails, websites, and most professional communication, “who to contact” is usually the better-sounding choice.
Understanding the Basics: Who to Contact or Whom to Contact
The basic difference comes down to the traditional roles of who and whom.
- Who traditionally functions as a subject.
- Whom traditionally functions as an object.
- Contact is a transitive verb, so the person being contacted is technically its object.
- However, modern American English frequently uses who where traditional grammar would use whom.
Consider these examples:
- Who should I contact? — Common and natural.
- Whom should I contact? — Traditional and formal.
- I don’t know who to contact. — Very common.
- I don’t know whom to contact. — Formal and traditionally grammatical.
Comparison Table
| Form | Type | Meaning | Example | Correct/Incorrect |
|---|---|---|---|---|
| who | Subject pronoun | Refers to the person performing an action | Who called you? | Correct |
| whom | Object pronoun | Refers to the person receiving an action | Whom did you call? | Correct |
| who to contact | Modern/common phrase | Identifies the person to contact | I know who to contact. | Correct |
| whom to contact | Formal/traditional phrase | Identifies the person who is the object of contact | I know whom to contact. | Correct |
| who to contacts | Incorrect construction | Incorrect verb form | I don’t know who to contacts. | Incorrect |
| whom to contacts | Incorrect construction | Incorrect verb form | Tell me whom to contacts. | Incorrect |
The important point is that “whom to contact” is not simply wrong. It is a formal construction that follows the traditional grammatical distinction.
Correct Meanings and Uses
What Does “Who to Contact” Mean?
“Who to contact” means which person you should communicate with about a particular issue, question, request, or situation.
For example:
I don’t know who to contact about my account.
This means:
- I = the person who does not know
- know = the main verb
- who to contact = the information the speaker does not know
The phrase identifies the appropriate person for communication.
More examples include:
- Do you know who to contact about the schedule?
- She asked me who to contact for technical support.
- We need to find out who to contact.
- Can you tell me who to contact about this problem?
- I’m not sure who to contact for more information.
These sentences sound natural in modern American English.
What Does “Whom to Contact” Mean?
“Whom to contact” has essentially the same meaning, but it follows the traditional distinction between subject and object pronouns.
For example:
I don’t know whom to contact.
Here, whom represents the person who would receive the action of contact.
The phrase may sound more formal than:
I don’t know who to contact.
You may see “whom to contact” in:
- Formal correspondence
- Legal writing
- Academic writing
- Very traditional editorial styles
- Formal instructions
Why Does “Whom” Sound More Formal?
English has changed over time. In everyday American English, speakers often use who in situations where traditional grammar would prescribe whom.
That means phrases such as:
Who should I contact?
are extremely common.
The traditional version is:
Whom should I contact?
Both can be understood easily, but the second version may sound more formal.
The Easy “He/Him” Test
One of the most useful traditional grammar tests is the he/him test.
Replace who or whom with:
- he → use who
- him → traditionally use whom
For example:
Who called?
Try:
He called.
Because he works, traditional grammar uses who.
Now consider:
Whom did you contact?
Try:
You contacted him.
Because him works, traditional grammar uses whom.
The same idea applies to:
I don’t know whom to contact.
You could think of it as:
I should contact him.
Because him is an object, traditional grammar favors whom.
Test Tip 💡
When you are unsure, mentally replace the pronoun with he/him.
- He → traditionally who
- Him → traditionally whom
However, remember that modern American English often accepts who in places where traditional grammar would use whom.
Why “Who to Contact” Is So Common
Modern English favors simplicity and natural speech.
Native speakers frequently say:
I don’t know who to contact.
rather than:
I don’t know whom to contact.
The first version feels more conversational and less formal.
This is especially true in:
- Text messages
- Everyday conversation
- Customer service communication
- Workplace emails
- Online forms
- Social media
- General business communication
Using who does not automatically make a sentence ungrammatical in modern US English.
The distinction between who and whom is still useful, but it is not followed as strictly in contemporary English as it was in older forms of formal writing.
“Who Should I Contact?” vs “Whom Should I Contact?”
These two questions deserve special attention.
Who Should I Contact?
Who should I contact about the meeting?
This is natural modern American English.
It is the version you are most likely to hear in ordinary conversation.
Whom Should I Contact?
Whom should I contact about the meeting?
This follows the traditional object-pronoun rule.
It can sound more formal, polished, or old-fashioned depending on the context.
Which One Should You Use?
For most modern US English writing:
Who should I contact?
is the natural choice.
If you are writing in a highly formal style or following a style guide that preserves the traditional who/whom distinction, whom may be appropriate.
Case Study: A Workplace Email
Imagine an employee has a question about a company benefit.
They might write:
I have a question about our health benefits, but I’m not sure who to contact.
This sounds natural and professional.
A more formal version would be:
I have a question about our health benefits, but I’m not sure whom to contact.
Both sentences communicate the same idea.
The first version is more conversational. The second emphasizes the traditional grammatical distinction.
Practical Lesson
Suppose you are writing to a manager:
Could you please let me know who to contact regarding the new schedule?
This is completely natural.
You do not need to change it to:
Could you please let me know whom to contact regarding the new schedule?
unless you specifically want a more formal or traditional tone.
Grammar Rules Explained
Traditional grammar distinguishes between subject pronouns and object pronouns.
Who as a Subject
Who is traditionally used when the person performs the action.
Examples:
- Who called me?
- Who sent this email?
- Who made the decision?
- Who wants to join us?
In each case, the person represented by who performs the action.
Whom as an Object
Whom is traditionally used when the person receives the action.
Examples:
- Whom did you call?
- Whom did she invite?
- Whom should we ask?
- Whom are you contacting?
In:
Whom did you call?
the underlying structure is:
You called him.
Because him is an object, traditional grammar uses whom.
What About “Who to Contact”?
The traditional analysis is:
I don’t know whom to contact.
The person is the object of contact.
However, modern English frequently uses who instead:
I don’t know who to contact.
This is a major reason the phrase causes confusion.
Merriam-Webster’s discussions of who and whom reflect the fact that actual modern usage does not always follow the older strict distinction.
The key lesson is that grammar should be understood alongside real usage. A form can be traditionally preferred without the alternative being unnatural in contemporary English.
Is “Whom to Contact” Grammatically Correct?
Yes.
“Whom to contact” is grammatically correct in traditional formal English.
For example:
Please tell me whom to contact.
This sentence follows the traditional object-pronoun rule.
However:
Please tell me who to contact.
is also widely used and natural in modern US English.
So the issue is not simply correct vs. incorrect.
A better way to understand it is:
- Who to contact → modern, natural, common
- Whom to contact → traditional, formal, less common
Common Mistakes
People often struggle with who and whom because spoken English does not always make the distinction obvious.
Mistake 1: Assuming “Whom” Is Always Better
Some writers believe that using whom automatically makes their writing more correct or sophisticated.
That is not always true.
For example:
Whom is coming to the party?
is incorrect because whom is being used as the subject.
The correct traditional form is:
Who is coming to the party?
Mistake 2: Assuming “Who” Is Always Correct
The opposite mistake is also common.
In very formal writing, some style systems may prefer:
To whom should I address this letter?
rather than:
To who should I address this letter?
The object of the preposition to is traditionally whom.
Mistake 3: Confusing Spoken and Formal English
People often write exactly as they speak.
That is not always a problem, but formal writing sometimes preserves distinctions that everyday conversation does not.
Why Do These Mistakes Happen?
Common reasons include:
- Fast typing: People type the first form that comes to mind.
- Autocorrect: Software may change or suggest words without explaining the grammar.
- Lack of knowledge: Many people were never taught the traditional who/whom distinction clearly.
- Changing English: Modern speakers commonly use who in many places where older grammar prescribed whom.
- Uncertainty about formality: Writers may not know whether a sentence needs a formal construction.
Similar Grammar Confusions
The who/whom issue is part of a larger group of commonly confused English forms.
| Confusion | Correct Forms | Main Difference |
|---|---|---|
| it’s / its | It’s / its | Contraction vs. possessive |
| your / you’re | Your / you’re | Possessive vs. “you are” |
| their / there / they’re | Their / there / they’re | Possession, place, contraction |
| affect / effect | Affect / effect | Usually verb vs. noun |
| who / whom | Who / whom | Subject vs. object in traditional grammar |
| then / than | Then / than | Time/order vs. comparison |
| to / too / two | To / too / two | Different meanings and grammatical roles |
| yourself / yourselves | Yourself / yourselves | Singular vs. plural |
Knowing the basic function of each word makes these pairs much easier to manage.
Usage in Different Contexts
Everyday Conversation
In everyday conversation, who is usually the natural choice.
Examples:
Do you know who to contact?
Who should I call?
I don’t know who to ask.
These sound relaxed and natural.
Professional Writing
In professional writing, who to contact is also widely appropriate.
For example:
Please let me know who to contact about the invoice.
This sounds clear and professional.
You can use whom if your organization or writing style calls for traditional formal grammar:
Please let me know whom to contact about the invoice.
The choice depends on the desired tone and style.
Creative Writing
Creative writers can choose either form based on the character, narrator, or atmosphere.
For example:
She wondered who to contact.
sounds natural and modern.
She wondered whom to contact.
may create a more formal or traditional tone.
Social Media and Texting
Who to contact is overwhelmingly more natural for casual digital communication.
Examples:
Does anyone know who to contact?
Who do I contact for this?
Not sure who to contact 😅
In informal messages, whom can sound unusually formal.
Why It Matters
Correct pronoun choice can improve clarity, but good writing is not only about following old rules. It is also about choosing language that fits the audience and context.
Clarity in Communication
The most important goal is that readers understand your message.
I don’t know who to contact.
is immediately clear to most readers.
Professionalism
Professional writing should sound polished without becoming unnecessarily complicated.
Using whom is not automatically more professional. Sometimes the simpler who creates a clearer and more natural sentence.
Digital Communication
Emails, chat messages, forms, websites, and social posts have made everyday English more conversational.
Because readers are used to who, the phrase who to contact often feels more accessible.
A Simple Reminder
Good grammar should make your meaning clearer, not make simple ideas harder to understand.
Special Exception: Formal “Whom”
There is no special brand-name exception that changes the basic grammar of who and whom.
However, whom remains useful in certain formal constructions, especially after prepositions.
Examples include:
- To whom it may concern
- With whom did you speak?
- For whom was the package intended?
- From whom did you receive the message?
In these cases, whom is often retained because it clearly functions as the object of a preposition.
That does not mean whom is required everywhere in modern English. Context and style matter.
A Useful Difference: “Who” vs “Whom” After Prepositions
Traditional grammar especially favors whom after a preposition.
For example:
To whom should I send the report?
Here, whom is the object of to.
In everyday speech, however, people often avoid this structure:
Who should I send the report to?
This is extremely common in modern English.
A more formal writer may instead move the preposition:
To whom should I send the report?
Both sentences are understandable, but they have different levels of formality.
“Who to Contact” in Questions
The phrase can appear in several common sentence patterns.
Pattern 1: I Don’t Know Who to Contact
I don’t know who to contact about the problem.
Meaning: I do not know which person is responsible for helping.
Pattern 2: Tell Me Who to Contact
Please tell me who to contact.
Meaning: Please identify the appropriate person.
Pattern 3: Do You Know Who to Contact?
Do you know who to contact?
Meaning: Do you know which person should handle this?
Pattern 4: Who Should I Contact?
Who should I contact about registration?
Meaning: Which person should I communicate with?
All four patterns are natural in modern US English.
“Whom to Contact” in Formal Writing
The same structures can use whom.
Examples:
I don’t know whom to contact.
Please tell me whom to contact.
Do you know whom to contact?
Whom should I contact about registration?
These forms are grammatically traditional, but they can sound more formal than their who alternatives.
When Should You Use “Who”?
Use who when:
- You are writing naturally in modern US English.
- You are having a casual conversation.
- You are writing an everyday email.
- You are texting someone.
- You want a friendly and conversational tone.
- You are asking a general question.
- You are unsure whether whom will sound overly formal.
Examples:
Who should I contact?
I don’t know who to contact.
Can you tell me who to contact?
When Should You Use “Whom”?
Use whom when:
- You are following traditional grammar.
- You are writing in a highly formal style.
- A style guide or organization specifically prefers it.
- The pronoun clearly functions as an object.
- It appears after a preposition in a formal construction.
Examples:
Whom should I contact?
I don’t know whom to contact.
To whom should I address the letter?
Quick Recap Checklist
Use this checklist when you are deciding between who to contact and whom to contact.
| Question | If Yes → Use |
|---|---|
| Do you want natural, modern US English? | who to contact |
| Are you writing a casual email or message? | who to contact |
| Are you speaking in everyday conversation? | who to contact |
| Are you following traditional formal grammar? | whom to contact |
| Is the person the object of contact and you want the traditional form? | whom to contact |
| Are you using a formal phrase such as “to ___”? | Often whom |
Practice Examples
1. I don’t know ___ to contact about the problem.
Natural modern answer:
I don’t know who to contact about the problem.
Traditional formal answer:
I don’t know whom to contact about the problem.
2. Can you tell me ___ to contact?
Natural modern answer:
Can you tell me who to contact?
Formal traditional answer:
Can you tell me whom to contact?
3. ___ should I contact about registration?
Modern English:
Who should I contact about registration?
Traditional formal English:
Whom should I contact about registration?
FAQs
1. Is “who to contact” grammatically correct?
Yes. “Who to contact” is grammatically acceptable and extremely common in modern US English. It is the natural choice for many everyday and professional situations.
2. Is “whom to contact” correct?
Yes. “Whom to contact” is traditionally grammatical because whom functions as the object of the verb contact. It is more formal than the common modern alternative.
3. Which is more common: “who to contact” or “whom to contact”?
“Who to contact” is more common in modern everyday American English. Speakers frequently use who in places where traditional grammar would use whom.
4. Should I write “Who should I contact?” or “Whom should I contact?”
For most modern US English situations, “Who should I contact?” sounds natural and clear. “Whom should I contact?” is the traditional formal version.
5. Is “whom” becoming obsolete?
Not completely. Whom is still used, especially in formal writing and after prepositions. However, its use has declined in many everyday contexts, and who is now common where traditional grammar would prescribe whom.
6. How can I remember when to use who or whom?
Use the traditional he/him test:
- If he works, choose who.
- If him works, choose whom.
For example:
Who called?
→ He called.
But:
Whom did you call?
→ You called him.
Remember that modern English often uses who instead of whom, especially in informal and conversational contexts.
Conclusion
The choice between “who to contact” and “whom to contact” depends on both grammar and style.
“Who to contact” is the most natural choice in modern US English. It works well in conversations, emails, workplace communication, websites, texts, and most general writing.
“Whom to contact” is also correct, but it follows the traditional object-pronoun rule and generally sounds more formal.
The traditional rule is simple:
- Who = subject
- Whom = object
But modern English is more flexible than that rule suggests. If your goal is natural, clear American English, “who to contact” is usually the safest choice.
If you are writing in a highly formal style or following a traditional grammar guide, “whom to contact” may be appropriate.
The best grammar choice is not always the most complicated one. Choose the form that makes your meaning clear and fits your audience.
Hi, I am Noah Harrison. I work at Synolixa as an English language editor, reviewing and creating helpful content to make English learning easier and clearer.
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