Highway 54 (AR 54, Ark. 54, and Hwy. 54) is a designation for two state highways in Southeast Arkansas. One route of 28.80 miles (46.35 km) begins at US 65/US 165 in Dumas and runs west to US 425/Highway 11. A second route of 52.65 miles (84.73 km) begins at Highway 114 and runs west to County Road 18 at the Grant/Jefferson county line. Both routes are maintained by the Arkansas Department of Transportation (ARDOT).