Poll: Which is correct?

flying dutchman

who's right = who is right. This is a question asking which person is right, has the right answer ....
whose right - means the right of which person ... in the way: the right you have to do or to obtain something.

Ruth

Flying Dutchman says it all.

Michael Jaques

Flying Dutchman - excellent answer, - concise and to the point.

Rafael Moya

I like these kind of questions, this way we learn more. For me it is very good way to learn English.

Wilson

who is right? = Who's right?

richard dias

who's right is an abbreviation of "who is right?"
'whose right' can only be used as a noun phrase or to introduce a subordinate clause

Little Fish

who's right equal who is right.

monica telles de meneses

OK. Both could be used.

Andres Paz Soldan

"Whose right?" Does not exist. When talking about what an individual deserves, we always say "rights", not "right".