People

• 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

Skateboarding

• Ollie (skateboarding trick), invented by Alan "Ollie" Gelfand
• Ollie Impossible, a variant of the trick first performed by Rodney Mullen
• Ollie Fliptrik, the main character in an eponymous comic strip about skateboarders

Other uses

• Ollie, Iowa, a city in the United States
• Kukla, Fran and Ollie, a US TV show