Arkansas Highway 377 (AR 377, Hwy. 377) is a north–south state highway in Searcy County, Arkansas. The route of 11.15 miles (17.94 km) runs from Highway 16 near Witts Springs north to Highway 74 at Snowball.

The route begins at AR 16 near Witts Springs and runs north through Magic Springs to AR 74 near Snowball and the Gates-Helm Farm, which is listed on the National Register of Historic Places. The route does not cross or concur with any other state highways.

The entire route is in Searcy County.