Fool's errand is an English idiom referring to a foolish undertaking or a task certain to fail. It may also refer to:

Books

  • A Fool's Errand, an 1879 novel by Albion W. Tourgée
  • A Fool's Errand, a 1921 book by Jessie Louisa Rickard
  • Fool's Errand (novel), a 2001 novel by Robin Hobb
  • A Fool's Errand, a 2010 collection of poetry by Dermot Healy
  • Fool's Errand, a 2017 book by Scott Horton

Films

  • "A Fool's Errand", a 1927 silent short film from the Krazy Kat film series
  • "A Fool's Errand", a 2003 episode of animated series Funky Cops

Other uses

  • "Do You Really Love Me Too (Fool's Errand)", a 1963 British Top 20 single by Billy Fury
  • The Fool's Errand, a 1987 computer game by Cliff Johnson
  • A brand of snack cracker, popular in the 1980s
  • "Fool's Errand", a song on the Fleet Foxes 2017 album, Crack-Up