| Ottavio Ragni | |
| Order1: | Italian Governor of Tripolitana |
| Term Start1: | 2 September 1912 |
| Term End1: | 2 June 1913 |
| Predecessor1: | Carlo Caneva |
| Successor1: | Vincenzo Garioni |
| Birth Date: | 21 April 1852 |
| Birth Place: | Romagnano Sesia |
| Death Place: | Romagnano Sesia |
Ottavio Ragni was an Italian general. He had been the governor of Tripolitania between (1912–1913).
At the battle of Adwa, during the Italian invasion of Abyssinia, he led the 3rd Infantry Regiment Africa.[1]
At the beginning of World War I he commanded the 1st corps of the 4th Italian army.[2]