2006 Louisiana–Lafayette Ragin' Cajuns football team represented the University of Louisiana at Lafayette in the 2006 NCAA Division I FBS football season.

The Ragin' Cajuns were led by fifth-year head coach Rickey Bustle and played their home games at Cajun Field.

The Ragin' Cajuns finished the season with a record of 6–6 overall and 3–4 in Sun Belt Conference play.

Preseason Offensive Player of the Year at Tiger Stadium, Baton Rouge, LA

at Kyle Field, College Station, TX