Arkansas Highway 237 (AR 237 and Hwy. 237) is a north–south state highway in Miller County. The route of 25.91 miles (41.70 km) runs north from Highway 160 in the extreme southwest corner of the state along the east side of Texarkana to US 67.

The route begins at Highway 160 about 2 miles (3.2 km) east of the Texas state line. The route runs north through the Sulphur River Wildlife Management Area to intersect Highway 549 (Future I-49) south of Texarkana. Now entering the city, the route forms a brief concurrency with U.S. Route 71. The route now continues due north as Rondo Road to intersect Genoa Road and 9th Street. Now approaching the Texarkana Regional Airport, the route intersects Mandeville Road before terminating at Broad Street.

The entire route is in Miller County.