| William Byrne | |
| Occupation: | Painter |
| Birth Date: | 17 April 1906 |
| Birth Place: | Butte, Montana, United States |
| Death Place: | Orange, California, United States |
William Byrne (April 17, 1906 - January 11, 1997) was an American painter. His work was part of the painting event in the art competition at the 1932 Summer Olympics.[1]