Mardi Gras Louisiana 2025 Dates. Explore the lafayette carnival 2025, a vibrant mardi gras celebration in louisiana! Mardi gras 2025 is on tuesday, march 4, celebrating for christians the feast before the fast that starts on ash wednesday.

Mardi gras is a holiday in 29 louisiana parishes. !click on the mardi gras krewes below for further information about the krewe and to see their usual route for each parade.