The 1955 USC Trojans football team represented the University of Southern California (USC) in the 1955 college football season. In their fifth year under head coach Jess Hill, the Trojans compiled an 6–4 record (3–3 against conference opponents), finished in sixth place in the Pacific Coast Conference, and outscored their opponents by a combined total of 265 to 158. Attendance at seven home games was 464,104, an average of 66,300. Attendance at all 10 games was 615,196.