Arkansas Highway 211 (AR 211 and Hwy. 211) is a north–south state highway in Clay County, Arkansas. The route of 9.68 miles (15.58 km) runs from US 62/US 67 near Datto north through Success to the Missouri state line.

AR 211 begins at US 62/US 67 north of Datto. AR 211 runs north to Success, when the route serves as the northern terminus of AR 328. The route meets Missouri supplemental route E at the Missouri state line, where the route terminates.

The entire route is in Clay County.