Who’s this? vs Whose this?

The correct phrase is "Who's this?". "Who's" is a contraction of "who is" or "who has", while "whose" is a possessive pronoun. The phrase is commonly used in informal situations to ask for the identity of someone on the phone or in person.

Last updated: March 28, 2024 • 1976 views

Who’s this?

This phrase is correct and commonly used in informal situations to ask for the identity of someone.

Use this phrase when you want to ask for the identity of someone on the phone or in person in an informal context.

Examples:

A: Hello, who's this? B: It's Sarah.
When the phone rang, she picked it up and asked, "Who's this?"
I heard a knock on the door and shouted, "Who's this?"
Who's this calling at this hour?
Who's this handsome guy in the picture?

Alternatives:

Who is this?
Who has this?
Who is that?
Who is calling?
Who are you?

Whose this?

This phrase is incorrect. "Whose" is a possessive pronoun, not a contraction of "who is" or "who has".

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Who’s this? vs Whose this?

Who’s this?

Whose this?

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