2013 Louisiana–Lafayette Ragin' Cajuns football team

The 2013 Louisiana–Lafayette Ragin' Cajuns football program represented the University of Louisiana at Lafayette in the 2013 NCAA Division I FBS football season. They were led by third year head coach Mark Hudspeth and played their home games at Cajun Field. They were a member of the Sun Belt Conference. They finished the season 9–4, 5–2 in Sun Belt play to claim a share of the conference title with Arkansas State. They were invited to the New Orleans Bowl for the third consecutive year where they defeated Tulane. However, in 2015 Louisiana–Lafayette vacated eight wins including their New Orleans Bowl victory and Sun Belt Conference co-championship due to alleged major NCAA violations.