Flaxville is a town in Daniels County, Montana, United States. The population was 71 at the 2010 census.
Flaxville was founded in 1913 following the arrival of a Great Northern Railway branch line that eventually ran from Bainville to Opheim. The name refers to the abundance of flax grown in the area.
Flaxville is located at 48°48′13″N 105°10′25″W / 48.80361°N 105.17361°W / 48.80361; -105.17361 (48.803733, -105.173704).