Garrett Muagututia (; born February 26, 1988) is an American professional volleyball player who plays as an outside hitter for Spor Toto SK and the U.S. national team. He played and studied for 4 years at the University of California, Los Angeles. Muagututia participated in the 2014 World Championship held in Poland.
His father, Faauuga Muagututia is a former United States Navy SEAL, a competitor for American Samoa at the 1994 Winter Olympics in bobsleigh.