Sean Gunn (born May 22, 1974) is an American actor, best known for his role as Kirk Gleason on the television show Gilmore Girls. He is the younger brother of filmmaker James Gunn.

For Disney, he played a traction sailor in Pearl Harbor, and he provided stand-in work for Rocket Raccoon and Thanos in Guardians of the Galaxy, as well as playing Kraglin. He provides stand-in work for Rocket Raccoon in Guardians of the Galaxy Vol. 2Avengers: Infinity War and Avengers 4, and he reprises his role as Kraglin in Guardians of the Galaxy Vol. 2.