Norcatur is a city in Decatur County, Kansas, United States. As of the 2020 census, the population of the city was 159.

Decatur County is a county located in Northwest Kansas. Its county seat and most populous city is Oberlin. As of the 2020 census, the county population was 2,764. The county was named in honor of Stephen Decatur, Jr., a commodore in the United States Navy who served during both Barbary Wars in North Africa, the Quasi-War with France, and the War of 1812 with Britain.