Smithville is a town in Lawrence County, Arkansas, United States.

Smithville was the nearest town to the final shoot-out between law enforcement and the infamous tax fugitive Gordon Kahl on June 2, 1983, in which Lawrence County Sheriff Harold Gene Matthews was also killed.

[4] Smithville lies a few miles south of the actual shootout location.

According to the United States Census Bureau, the town of Smithville has a total area of 4.5 square kilometres (1.73 sq mi), all land.

The eastern third of Smithville is a low-lying area, prone to flooding from Machine Creek.

As one travels west or north of Smithville, rolling hills can be found in either direction.

Regionally, Smithville lies approximately in the center of the Cooper Creek Watershed Improvement District.