| Alberto Bonacossa | |
| Nationality: | Italian |
| Sport: | Tennis |
| Birth Date: | 24 August 1883 |
| Birth Place: | Vigevano, Italy |
| Death Place: | Milan, Italy |
Alberto Bonacossa (24 August 1883 - 30 January 1953) was an Italian tennis player. He competed in the men's singles event at the 1920 Summer Olympics.[1]