USC has claimed 11 national titles and is in 3rd place.
According to College Football Data Warehouse, USC has won or co-won 37 Pacific Coast and PAC-10 Conference championships in football.
USC has 23 Rose Bowl Championships
USC has 11 National Championships in men's football but only one BCS Championship in 2004.But this one win will be taken away shortly due to NCAA violations regarding Reggie Bush. I separated this question back out from "How many football BCS championships has USC won" because they are two different questions. When the BCS takes away USC's single BCS championship, it will not change the fact that they won it. They will still have won a BCS championship, but they will not have a BCS championship.
Up through 2004, 34 Pac-10 championships (26 outright).
USC Trojans football was created in 1888.
Alabama and Notre Dame have won eight each. Oklahoma and USC have won seven each.