Whose is a possessive pronoun that you should use when you're asking or telling whom something belongs to. Who's is a contraction made up of the words who and is or who. Who's is a contraction of who is or who has.

[who is] who's. Who's and whose are easy to confuse. Who's means who is or who has. Whose shows possession (e. g. , never trust a doctor whose plants have died). Who's is a contraction of who is, as in who's there? And the friend who's calling, or of who has, as in who's got the time? and the friend who's helped before. The correct choice is whose.

Who's is a contraction of who is, as in who's there? And the friend who's calling, or of who has, as in who's got the time? and the friend who's helped before. The correct choice is whose. So what is the difference between whose and who's? The word whose is the possessive form of the pronoun who. It is used in questions to ask who owns.

It is used in questions to ask who owns.