| Koji Hashimoto | |
| Native Name: | 橋本 幸治 |
| Native Name Lang: | Japanese |
| Birth Date: | 21 January 1936 |
| Occupation: | Film director |
| Years Active: | 1962-1984 |
was a Japanese film director and producer. He directed the 1984 films Sayonara Jupiter and The Return of Godzilla. He died of coronary disease at age 69 while mountain climbing.