Bunker is a city in Dent and Reynolds Counties in the U.S. state of Missouri. The population was 427 at the 2000 census.
Bunker is a logging and lead mine community, founded by Sylvanus J. Bunker in 1907. There are a number of local sawmills still operating. All of the small lead mining operations have stopped, but Bunker is not far from the Viburnum location of the Doe Run Company. There used to be a railroad turn-table at the corner of Toms Creek Road and Highway 72 (previously Counts Junkyard). The rail yard allowed the locomotives hauling of timber logs off to the mills in southern Missouri. The Bunker-Culler railroad was around for many years providing economical stability for the residents.
Bunker is located at 37°27′19″N 91°12′37″W / 37.45528°N 91.21028°W / 37.45528; -91.21028 (37.455356, -91.210317).