Highway 146 (AR 146, Ark. 146, and Hwy. 146) is a designation for two east–west state highways in the Lower Arkansas Delta. One route of 12.96 miles (20.86 km) begins at US Highway 79 (US 79) near Stuttgart and runs east to the White River at . A second route of 17.43 miles (28.05 km) begins at and runs east to Highway 39 at . Both routes are maintained by the Arkansas State Highway and Transportation Department (AHTD).