The 1939 USC Trojans football team was an American football team that represented the University of Southern California (USC) in the Pacific Coast Conference (PCC) during the 1939 college football season. In their 15th year under head coach Howard Jones, the Trojans compiled an 8–0–2 record (5–0–2 against PCC opponents), shut out six of ten opponents, won the PCC championship, and outscored all opponents by a total of 181 to 33. They won the PCC championship.