| Byron H. Dunbar | |
| Office: | United States Attorney for the District of Montana |
| President: | Ronald Reagan George H. W. Bush |
| Term Start: | 1981 |
| Term End: | 1990 |
| Predecessor: | Robert T. O'Leary |
| Successor: | Doris Swords Poppler |
| Birth Date: | 8 June 1927 |
| Birth Place: | Three Forks, Montana |
| Death Place: | Billings, Montana |
| Party: | Republican |
Byron H. Dunbar (June 8, 1927 – April 21, 2007) was an American attorney who served as the United States Attorney for the District of Montana from 1981 to 1990.[1]
He died on April 21, 2007, in Billings, Montana at age 79.[2]