Arkansas Highway 348 (AR 348, Hwy. 348) is a designation for two east–west state highways in west Arkansas. One segment of 5.56 miles (8.95 km) runs from Arkansas Highway 59 at Figure Five east to Arkansas Highway 60 near Rudy. A second segment of 3.61 miles (5.81 km) runs from US Route 71 (US 71) at Cain east to National Forest Route 1007.

AR 348 begins at US 71 at the unincorporated community of Cain south of Mountainburg. The route runs northeast, entering the Ozark National Forest and terminating at an intersection with National Forest Route 1007 and Hickory Street. The road is two–lane undivided for its entire length.

The route begins at Highway 59 at the Figure Five community and runs east as a rural two-lane route. Winding through forested mountains, Highway 348 terminates at Highway 60 near Rudy.

The entire route is in Crawford County.