grammar - 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?

Answer

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？