Samuel Peter Acosta Larsen (born August 28, 1991) is an American actor and singer. On August 21, 2011, Larsen won the reality competition program The Glee Project on the Oxygen network, which led to his having a recurring role as Joe Hart on the Fox television show Glee. Larsen was also a member of the band Bridges I Burn.

He is pursuing his solo career, and released his debut EP, Vices, on October 27, 2014.