| Sergio Marelli | |
| Nationality: | Italian |
| Sport: | Basketball |
| Birth Date: | 24 May 1926 |
| Birth Place: | Varese, Italy |
| Death Place: | Varese, Italy |
Sergio Marelli (24 May 1926 - 22 July 2006) was an Italian basketball player. He competed in the men's tournament at the 1952 Summer Olympics.[1]