Nekoma is a city in Cavalier County, North Dakota, United States. The population was 31 at the 2020 census. There is a large grain elevator, a bar and two churches, plus homes at Nekoma, and an agricultural service just outside the village boundary. Nekoma was founded in 1905 and is 15 miles south of Langdon.

Cavalier County is a county in the U.S. state of North Dakota. It is south of the Canada–US border with Manitoba. As of the 2020 census, the population was 3,704. Its county seat is Langdon. The city of Cavalier is in nearby Pembina County.