The Arkadelphia Commercial Historic District encompasses the historic commercial core of Arkadelphia, Arkansas, the county seat of Clark County.

Arkadelphia was settled in 1842, and its commercial district is located in one of the older parts of the city, near the Ouachita River.

[2] The district was listed on the National Register of Historic Places in 2011.

A number of buildings in the district were destroyed by an F-5 tornado which struck the town in 2009.

This article about a property in Clark County, Arkansas on the National Register of Historic Places is a stub.