The 2011–12 Louisiana–Lafayette Ragin' Cajuns women's basketball team represented the University of Louisiana at Lafayette during the 2011–12 NCAA Division I women's basketball season.

The Ragin' Cajuns were led by fifth-year head coach Errol Rogers; they played their double-header home games at the Cajundome with other games at the Earl K. Long Gymnasium, which is located on campus.

They finished the season 7-23, 1–15 in Sun Belt play to finish sixth place in the West Division.

They were eliminated in the quarterfinals of the Sun Belt women's tournament.

They made it to the 2011 Sun Belt Conference women's basketball tournament, losing in the first round game by a score of 53-58 to the South Alabama Jaguars.