The 2008 Sioux Falls Cougars football team represented the University of Sioux Falls in the 2008 NAIA football season.
The Cougars captured the 2008 NAIA Football National Championship with a 23–7 victory over the top-ranked Carroll (MT).
The team also won the Great Plains Athletic Conference championship with a perfect 10–0 record.
This was the school's third NAIA national championship (1996, 2006) and second in three years.
[1] USF would start the season ranked #2 and would stay at that spot through the championship series.