A boy genius is a male child prodigy.
Boy Genius may refer to:
- Jimmy Neutron: Boy Genius, a 2001 American animated film
- boygenius, an American music group
- Boy Genius, a novel by Yongsoo Park
- "Boy Genius", a song by Kwamé from the 1989 album Kwamé the Boy Genius: Featuring a New Beginning
- "Boy Genius", song by Michael Beltrami from The Omen (2006 film) soundtrack
- "Boy Genius", song by Reverend Zen from the 2006 album Angels, Blues & the Crying Moon
- Boy Genius, a performing name of Brandon Boyer (born 1977)
- Boy Genius, a UK rock band
- Their self-titled album, "Boy Genius" released in 2015