Kulm is a city in LaMoure County, North Dakota in the United States. The population was 354 at the 2010 census. Kulm was founded in 1892.
Kulm is located at 46°18′7″N 98°56′53″W / 46.30194°N 98.94806°W / 46.30194; -98.94806 (46.301844, -98.948135).
According to the United States Census Bureau, the city has a total area of 0.3 sq mi, (0.8 km²), all land.