| John W. Dunn | |
| Nationality: | American |
| Occupation: | Painter |
| Birth Date: | 5 April 1891 |
| Birth Place: | Washington, D.C., United States |
| Death Place: | Washington, D.C., United States |
John W. Dunn (April 5, 1891 - April 7, 1975) was an American painter. His work was part of the painting event in the art competition at the 1932 Summer Olympics.[1]