Who Do You Think You Are? (book), a collection of short stories by Alice Munro

"Who Do You Think You Are", a song by The Spice Girls

Who Do You Think You Are? is a British documentary series. Who Do You Think You Are? also may refer to:

"Who Do You Think You Are" (Kim Wilde song)

Who Do You Think You Are? (Canadian TV series), a Canadian adaptation of the British series

Who Do You Think You Are? (Australian TV series), an Australian adaptation of the British series