| Marion F. Kirby | |
| Birth Date: | 14 July 1919 |
| Birth Place: | Louisville, Kentucky, United States |
| Death Place: | Lometa, Texas, United States |
| Allegiance: | United States |
| Branch: | United States Army Air Forces |
| Serviceyears: | 1940–1945 |
| Rank: | Captain |
| Commands: | 80th Fighter Squadron |
| Battles: | World War II |
| Awards: | Silver Star Distinguished Flying Cross Air Medal (4) |
Marion Franklin Kirby II (July 14, 1919 – July 10, 2011) was an American fighter pilot and a flying ace with the United States Army Air Forces during World War II, credited with shooting down 5 enemy aircraft.
He transferred into the 475th Fighter Group when it formed in New Guinea.[1]