The 2008 Louisiana–Lafayette Ragin' Cajuns football team represented the University of Louisiana at Lafayette in the 2008 NCAA Division I FBS football season. Louisiana–Lafayette competed as a member of the Sun Belt Conference, and played their home games at Cajun Field. The Ragin' Cajuns were led by seventh-year head coach Rickey Bustle. UL-Lafayette finished the season with a 6–6 record (Sun Belt: 5–2).