Bizarro is a supervillain who appears in comic books published by DC Comics.

Bizarro or Bizzarro may also refer to:

• Evil twin, the stock character type of which Superman's Bizarro is an example
• Bizarro fiction, since 2005 a genre of underground literature

• Bizarro (album), a 1989 album by the rock group The Wedding Present

• Bruno Bizarro (born 1979), Portuguese composer
• Carlos Eduardo Bizarro (born 1980), Brazilian footballer
• Gennaro Bizzarro (born 1976), American politician
• Ryan Bizzarro (born 1985), American politician

• Bizarro, a former name of the roller coaster Medusa (Six Flags Great Adventure) from 2009 to 2022
• Bizarro, a former name of the roller coaster Superman The Ride at Six Flags New England from 2009 to 2015

• Bizarro (novel), an unfinished novel by Sir Walter Scott begun in 1832 and published posthumously in 2008
• Bizarro (comic strip), since 1985 a daily comic strip by Dan Piraro

• "Bizarro" (Supergirl), 2016
• "Bizarro" (Sealab 2021), 2002

• All pages with titles containing Bizarro
• Bazzaro, an Italian surname
• Bizarra, a counterpart to DC Comics' Wonder Woman