may refer to the following:
- Shortened form of the given name Oliver
- Ollie Johnston, a Disney animator, one of the famed "Nine Old Men"
- Ollie Marquardt (1902-1968), major league baseball player and minor league manager
- Oliver Riedel ("Ollie" Riedel), German musician, most notably with the band Rammstein
- Nickname of Ian Holloway, football (soccer) manager
- Ollie (character), a minor character on Nick Jr's The Wonder Pets