D'Arbonne National Wildlife Refuge is a National Wildlife Refuge of the United States located north of West Monroe, Louisiana. It is in Ouachita and Union Parishes on either side of Bayou D'Arbonne near its confluence with the Ouachita River. It lies on the western edge of the Mississippi River alluvial valley. It was established in 1975 to protect bottomland hardwoods and provide wintering habitat for migratory waterfowl.