The 2009 USC Trojans football team (variously "Trojans" or "USC") represented the University of Southern California during the 2009 NCAA Division I FBS football season. The team played their home games at the Los Angeles Memorial Coliseum and was coached by Pete Carroll, who was in his ninth and final season at USC. They finished the season 9–4, 5–4 in Pac-10 play and won the Emerald Bowl over Boston College 24–13.