Arnaudville is a town in St. Landry and St. Martin parishes in the U.S. state of Louisiana. The population was 1,057 at the 2010 census.
The St. Martin Parish portion of Arnaudville is part of the Lafayette Metropolitan Statistical Area, while the St. Landry Parish portion is part of the Opelousas–Eunice Micropolitan Statistical Area.
On the original site of an Attakapas Indian village, Arnaudville is one of the oldest remaining towns in St. Landry Parish. First called La Murière, it was later known as La Jonction which meant "The Junction" translated from French.