Who Knows

Who Knows may refer to:


 * 'Who Knows? (video), a DVD by Andrew W.K.
 * Who Knows? (film) (Va savoir), a 2001 French romantic comedy-drama
 * Who Knows? (game show), a 1959 Canadian television panel game quiz show
 * "Who Knows", a song by Avril Lavigne from Under My Skin
 * "Who Knows", a song by Natasha Bedingfield from N.B.
 * "Who Knows", a song by Jimi Hendrix from Band of Gypsys
 * "Who Knows?", a short story by Guy de Maupassant, published in 1890