Evil genius may refer to:

• Evil genius, a version of the mad scientist motif in fiction
• "The Evil Genius", a novel by Wilkie Collins; serialized in "Leigh Journal and Times" (7 issues), 1885-12-11 to 1886-04-30; published by Chatto & Windus (3 volumes), 1886-09-01
• Evil Genius (book series), a series of non-fiction books
• Evil Genius (novel), by Catherine Jinks, 2005
• Evil Genius (album), by Gucci Mane, 2018
• The Evil Genius (Mr Eazi album), 2023
• "Evil Genius", a song by Pat Benatar from the 1981 album Precious Time
• Evil Genius (TV series), a 2018 true crime documentary series
• Evil Genius (video game), 2004
• Evil Geniuses, an esports organisation
• Evil Geniuses: The Unmaking of America, a 2020 nonfiction book by Kurt Andersen

• Evil genius, or evil demon, a concept in Cartesian philosophy

• All pages with titles containing Evil genius
• Evil (disambiguation)
• Genius (disambiguation)
• Crime boss, a person in charge of a criminal organization
• Supervillain, a stock character in superhero fiction