Atchafalaya

The word Atchafalaya derives from the Choctaw term hacha falaia, meaning "long river".

Atchafalaya may refer to:


 * Atchafalaya, Louisiana, Ghost town in Louisiana, U.S.
 * Atchafalaya River, Louisiana, U.S.
 * Atchafalaya Basin or Atchafalaya Swamp, wetlands surrounding the lower part of the Atchafalaya River, Louisiana
 * Atchafalaya Basin Bridge
 * Atchafalaya Swamp Freeway, a portion of Interstate 10 in Louisiana that includes the bridge
 * Atchafalaya National Heritage Area
 * Atchafalaya National Wildlife Refuge
 * Atchafalaya Golf Course at Idlewild, Patterson, Louisiana
 * A song from the album Sylva, by jazz ensemble Snarky Puppy