What Does “Who Is This” Mean? (Direct Answer)
“Who is this?” is a common English question used to ask for someone’s identity. It is typically used when the speaker does not recognize the person they are talking to, hearing, seeing, or referring to.
Definition:
“Who is this?” means “What is this person’s identity?” or “Can you tell me who you are?”
The phrase is most commonly used during phone calls, online conversations, video chats, unexpected introductions, and situations where a person’s identity is unclear.
Example:
- Phone call: “Hello?”
- Caller: “Hi!”
- Response: “Who is this?”
In modern English, “who is this” remains one of the most frequently used identity-related questions in both casual and professional communication.
Understanding the Meaning of “Who Is This”
The phrase consists of three simple words:
- Who = asks about a person
- Is = a form of the verb to be
- This = refers to the person currently speaking, calling, or being discussed
Together, the phrase asks for identification.
When someone says “Who is this?”, they are requesting information about the person’s name, role, or identity.
Common meanings include:
- Who are you?
- May I know your name?
- Who is calling?
- Which person is speaking?
- Whose account is this?
The exact meaning depends on the context.
When Do People Say “Who Is This”?
The expression appears in many everyday situations.
During Phone Calls
This is the most common usage.
Example:
- Caller: “Good evening.”
- Receiver: “Who is this?”
The receiver wants to know who is calling before continuing the conversation.
In Text Messages
People use it when they receive messages from unknown numbers.
Example:
- Unknown number: “Hey, how are you?”
- Response: “Who is this?”
Online Communication
Used in social media messages, gaming chats, and discussion forums.
Example:
“Who is this messaging me from a new account?”
Face-to-Face Situations
Someone may ask the question when looking at a photograph or meeting an unfamiliar person.
Example:
“Who is this in the picture?”
Grammar of “Who Is This”
From a grammatical perspective, “who is this” is an interrogative sentence.
Sentence Structure
| Part | Function |
| Who | Interrogative pronoun |
| Is | Linking verb |
| This | Demonstrative pronoun |
| ? | Question mark |
Correct Form
✅ Who is this?
Incorrect Forms
❌ Who this is?
❌ Who are this?
❌ Who this?
The standard English word order places the verb before the subject in questions.
Why Do We Say “Who Is This” Instead of “Who Are You”?
Many English learners wonder why native speakers often say “Who is this?” on the phone instead of “Who are you?”
The answer involves convention and politeness.
Historically, telephone conversations developed a unique style of identification.
When answering a call, speakers often refer to the caller as “this” because the caller’s identity is unknown.
Comparison
| Expression | Meaning | Tone |
| Who is this? | Identify yourself | Neutral |
| Who are you? | Identify yourself | Direct |
| May I ask who is calling? | Identify yourself | Polite |
| Who am I speaking with? | Identify yourself | Professional |
| Can I have your name? | Identify yourself | Friendly |
In professional situations, “Who is this?” may sound slightly abrupt, while alternative phrases often sound more courteous.
Is “Who Is This” Polite or Rude?
The phrase itself is not rude.
However, tone of voice and context can affect how it is perceived.
Polite Usage
“Hello. Who is this, please?”
Adding please makes the question softer and more respectful.
Neutral Usage
“Who is this?”
Most people consider this normal in everyday conversations.
Potentially Rude Usage
“Who is this?”
(spoken aggressively)
A harsh tone can make the phrase sound suspicious or unfriendly.
Professional Alternative
Instead of saying “Who is this?” many professionals prefer:
- May I ask who’s calling?
- Who am I speaking with?
- Could you tell me your name?
These alternatives create a more positive impression.
Common Situations Where “Who Is This” Is Used
Unknown Phone Calls
Many people receive calls from numbers they do not recognize.
Example:
“Hello, who is this?”
Surprise Messages
A friend may text from a new number.
Example:
“I got your message, but who is this?”
Social Media Contacts
Unknown users sometimes send messages.
Example:
“Sorry, who is this?”
Group Chats
Someone joins a group unexpectedly.
Example:
“Hi everyone.”
“Who is this?”
Family Conversations
Family members often ask about people in photographs.
Example:
“Who is this standing next to Grandpa?”
Examples of “Who Is This” in Everyday English
Seeing authentic examples helps learners understand natural usage.
Phone Conversations
Example 1
- Caller: “Hello.”
- Receiver: “Hi. Who is this?”
Example 2
- Caller: “I have information about your order.”
- Receiver: “Who is this, please?”
Text Messages
Example 3
- Message: “Guess who?”
- Reply: “Who is this?”
Workplace Communication
Example 4
- Caller: “I’d like to discuss a project.”
- Employee: “Certainly. May I ask who this is?”
Social Media
Example 5
- Direct message: “Hi.”
- Response: “Sorry, who is this?”
Alternative Ways to Say “Who Is This”
Repeating the same phrase can sometimes sound repetitive. Fortunately, English offers many alternatives.
Formal Alternatives
- May I ask who’s calling?
- Could you tell me your name?
- Who am I speaking with?
- May I know who this is?
- Can you identify yourself?
Professional Alternatives
- Who am I speaking to?
- May I have your name, please?
- Could you introduce yourself?
- May I ask who is calling?
Casual Alternatives
- Who’s this?
- Who are you?
- What’s your name?
- Do I know you?
- Remind me who this is?
Friendly Alternatives
- Sorry, who is this?
- I don’t recognize the number. Who is this?
- Can you remind me who you are?
These variations help speakers adjust their tone based on the situation.
Common Mistakes Learners Make
English learners frequently misuse this phrase.
Mistake 1: Using the Wrong Verb
❌ Who are this?
✅ Who is this?
Because this is singular, it requires is.
Mistake 2: Incorrect Word Order
❌ Who this is?
✅ Who is this?
English questions require inversion of the subject and verb.
Mistake 3: Forgetting the Question Mark
❌ Who is this
✅ Who is this?
Punctuation is important in written English.
Mistake 4: Using It in Formal Business Emails
Writing:
❌ Who is this?
can sound abrupt.
Instead write:
✅ Could you please identify yourself?
or
✅ May I ask who is contacting me?
Mistake 5: Sounding Too Direct
Sometimes native speakers soften the phrase.
Instead of:
“Who is this?”
They may say:
“Sorry, who is this, please?”
This sounds more polite.
“Who Is This” vs Similar Expressions
Many related phrases appear in English communication.
Comparison Table
| Phrase | Purpose | Formality |
| Who is this? | Ask identity | Neutral |
| Who are you? | Ask identity directly | Informal |
| Who’s calling? | Phone calls | Neutral |
| Who am I speaking with? | Business communication | Professional |
| May I ask who’s calling? | Customer service | Formal |
| Can you tell me your name? | Friendly identification | Casual |
| Do I know you? | Familiarity check | Informal |
Understanding these differences helps speakers choose the most appropriate expression.
How Native Speakers Use “Who Is This”
Native English speakers rarely think about the grammar behind the phrase. They simply use it naturally whenever identification is needed.
American English
Common examples include:
- “Who’s this?”
- “Who is this?”
- “Sorry, who is this?”
British English
Speakers may prefer:
- “Who’s calling?”
- “Who am I speaking to?”
- “May I ask who’s speaking?”
Business English
Professional environments often avoid direct wording.
Preferred options include:
- “May I ask who’s calling?”
- “Who am I speaking with?”
- “Could you provide your name?”
Real-Life Dialogue Examples
Example 1: Unknown Caller
Caller: Hello.
Sarah: Hi, who is this?
Caller: This is Michael from the marketing department.
Example 2: Text Message
Unknown Number: Hey!
James: Sorry, who is this?
Unknown Number: It’s Alex. I changed my phone number.
Example 3: Business Call
Caller: Good morning.
Receptionist: Good morning. May I ask who’s calling?
Caller: David Wilson from GreenTech.
Example 4: Social Media
Message: Hello, remember me?
Reply: I’m not sure. Who is this?
People Also Ask About “Who Is This”
Is “Who is this?” grammatically correct?
Yes. It is a standard English question used to ask about a person’s identity.
Why do people say “Who is this?” on the phone?
It is a traditional way of identifying an unknown caller.
Is “Who is this?” rude?
No. The phrase is generally neutral. Tone and context determine whether it sounds polite or rude.
What is a more polite way to say “Who is this?”
You can say:
- May I ask who’s calling?
- Who am I speaking with?
- Could you tell me your name?
Is “Who’s this?” the same as “Who is this?”
Yes. “Who’s this?” is simply a contraction of “Who is this?” and is more common in casual speech.
Can I use “Who is this?” in professional settings?
Yes, but more formal alternatives are usually preferred.
What is the difference between “Who is this?” and “Who are you?”
“Who is this?” sounds more neutral and is common on phone calls, while “Who are you?” can sound more direct or confrontational.
Why is “is” used instead of “are”?
The pronoun this is singular, so it requires the singular verb is.
Final Thoughts
“Who is this?” is a simple but essential English expression used to identify an unknown person during conversations, phone calls, text messages, social media interactions, and everyday communication. The phrase is grammatically correct, widely understood, and suitable for most casual situations.
While it is usually neutral in tone, choosing alternatives such as “May I ask who’s calling?”, “Who am I speaking with?”, or “Could you tell me your name?” can sound more professional and polite. Understanding when and how to use “who is this” correctly helps improve communication skills, avoid misunderstandings, and sound more natural in English.
Whether you’re learning English, improving business communication, or simply curious about common expressions, mastering “Who is this?” gives you a practical phrase you’ll encounter regularly in real-life conversations.
