Another way to say "これはだれの___ですか？"


(the blank represents some noun/object)

Is `この＿＿はだれのですか？` grammatically correct and have the same meaning as the
title?




Yes, it's grammatically correct and they have almost the same meaning. For
example, you can say both:

> これは[誰]{だれ}の[傘]{かさ}ですか？(Lit. Whose umbrella is this?)  
>  この[傘]{かさ}は[誰]{だれ}のですか？(Lit. Whose is this umbrella?)

In casual speech we often say:

> これ、誰の傘？  
>  この傘、誰の？




Yes, it's grammatically correct and they have almost the same meaning. For
example, you can say both:

> これは[誰]{だれ}の[傘]{かさ}ですか？(Lit. Whose umbrella is this?)  
>  この[傘]{かさ}は[誰]{だれ}のですか？(Lit. Whose is this umbrella?)

In casual speech we often say:

> これ、誰の傘？  
>  この傘、誰の？

