List of Famous people with last name Mannion

Niccolò "Nico" Mannion is an Italian-American professional basketball player for the Golden State Warriors of the National Basketball Association (NBA), on a two-way contract with the Santa Cruz Warriors of the NBA G League. He played college basketball for the Arizona Wildcats. He attended Pinnacle High School in Phoenix, Arizona, where he was a consensus five-star recruit and one of the top point guards in the 2019 class. Although he mainly grew up in the United States, Mannion represents his birth country of Italy in international competitions.

Pace Shewan Mannion is an American retired professional basketball player who played in the National Basketball Association (NBA) and in the Italian league with the team of Cantù. He has worked as a studio analyst for the Utah Jazz television pre- and post-game shows.

Gavin Mannion is an American cyclist, who currently rides for UCI ProTeam Rally Cycling.

Wes Mannion is an Australian television personality, best known from the series The Crocodile Hunter as Steve Irwin's best friend and director of Australia Zoo.

Tom Mannion is a Scottish actor.