Taitusi "Deuce" Lutui (born May 5, 1983) is a Tongan-born guard who last played for the Tennessee Titans of the National Football League (NFL). He played college football for the University of Southern California, and received All-American honors. He was selected by the Arizona Cardinals in the second round of the 2006 NFL Draft. One of several Tongans who have played in the NFL, he is a cousin of Vai Sikahema, the first Tongan ever to play in the NFL. Lutui is currently a free agent.