| John Hugh Crimmins | |
| Birth Date: | 26 November 1919 |
| Birth Place: | Worcester, Massachusetts, United States |
| Death Place: | Mitchellville, Maryland, United States |
| Occupation: | Diplomat, United States Ambassador |
John Hugh Crimmins (November 26, 1919 – December 12, 2007) was a diplomat and former United States Ambassador to Dominican Republic (1966–69) and Brazil (1973–78).[1] He was a member of the American Academy of Diplomacy.
He graduated from Harvard University in 1941. During World War II he served with the army in the Pacific theatre of operations.[2] He was buried in Arlington National Cemetery.[3]