| Intro | American politician |
| Was | Politician |
| From | United States of America |
| Type | Politics |
| Gender | male |
| Birth | 4 August 1873 |
| Death |
4 June 1952 (aged 78 years) |
John N. Hagan (August 4, 1873 – June 4, 1952) was a North Dakota Republican/NPL politician who served as the North Dakota Commissioner of Agriculture and Labor from 1917 to 1921 and from 1937 to 1938. He is one of three politicians in the state ever to be recalled; he was recalled during his first time in the office along with fellow NPL politicians Governor of North Dakota Lynn J. Frazier and North Dakota Attorney General William Lemke in 1921.