A whodunit is a plot-driven story of the detective variety in which the puzzle is paramount.

Whodunit or Whodunnit may also refer to:

Music "Whodunit" (song), a 1977 song by Tavares "Who Dunnit?", a 1981 song by Genesis from the album Abacab

Television Whodunnit? (UK game show), a 1972–1978 British television game show Whodunnit? (U.S. game show), a 1979 American game show adaption of the British version Whodunnit? (2013 TV series), a 2013 American reality competition television series "Whodunnit?" (Is It Legal episode) (1995) "Whodunnit?" (Not Going Out), a 2019 episode "Whodunit?" (Cheers episode) (1985) Who-Dun-It (TV series), a 1969 British television series

Other Whodunnit (play), a 1977 play by Anthony Shaffer Who-Dun-It?, a 1979 TRS-80 game Who Dunit, a 1988 arcade video game Who Dunnit, a 1995 pinball machine Whodunit, a murder mystery boardgame published by Selchow and Righter in 1972

See also Who Done It? (disambiguation)