Who or WHO most commonly refers to:
* Who (pronoun), an interrogative or relative pronoun
* World Health Organization, a specialized agency of the United Nations for public health
Who or WHO may also refer to:
Arts, entertainment and mediaFictional characters
* Who, a creature in the Dr. Seuss books '' Horton Hears a Who!'' and '' How the Grinch Stole Christmas!''
* Who, a first baseman in the Abbott and Costello routine " Who's on First?"
Film
* ''Who'' (film), a 2018 Indian film
* ''Who?'' (film), a 1974 English film adaptation of Algis Budrys' novel (see below), directed by Jack Gold
Music
* The Who, an English rock band
Albums
* ''Who'' (album), by The Who, 2019
* ''Who?'' (album), by Tony! Toni! Toné!, 1988
Songs
* "Who?" (song), written by Jerome Kern, Otto Harbach, and Oscar Hammerstein II, 1925
* "Who", by David Byrne and St. Vincent from '' Love This Giant'', 2012
* "Who", by Diana Ross from '' Silk Electric'', 1982
* "Who", by Disturbed from '' Immortalized'', 2 ...