April fool is a phrase associated with April Fools' Day, celebrated on April 1.

April fool or April fools may also refer to:

• April Fool (1926 film), a romantic comedy starring Diana Serra Cary
• April Fool (1964 film), an Indian Hindi-language film
• The April Fools, a 1969 romantic comedy film
• April Fools (2007 film), a 2007 horror film by Fred Walton
• April Fool (2010 film), an Indian Malayalam-language film
• April Fool (2014 film), an Indian Telugu-language film
• April Fools (2015 film), a 2015 Japanese film

• Apryl Fool, a Japanese psychedelic rock band
• "April Fool" (song), a 1986 song by Chalk Circle
• "April Fools" (song), a 1998 song by Rufus Wainwright
• April Fools, a 2016 album by the Scary Jokes
• "April Fool", a 2002 song by Slash from 4
• "April Fool", a 1992 song by Soul Asylum from their album Grave Dancers Union
• "April Fools (He Had the Change Done at the Shop)", a 1996 song on the Frogs' album My Daughter the Broad

• April Fool (spy), the codename for a double agent who allegedly played a key role in the downfall of Saddam Hussein
• The April Fool, a character of The Fairly OddParents animated series
• April Fool (Checkers) 1943, a painting by Norman Rockwell

• April Fool's Day (disambiguation)
• "Fools in April", an episode of SpongeBob SquarePants, that aired along with "Neptunes Spatula" on April 1, 2000