| Roberto Mazzoleni | |
| Nationality: | Italian |
| Sport: | Athletics |
| Event: | 400 metres |
| Birth Date: | 1964 3, mf=yes |
| Birth Place: | Alzano, Italy |
| Country: |  Italy |
Roberto Mazzoleni (born 29 March 1964) is a retired Italian sprinter who specialized in the 400 metres.
At the 1995 World Indoor Championships he won a silver medal in the 4 x 400 metres relay, together with teammates Fabio Grossi, Andrea Nuti and Ashraf Saber.
Mazzoleni personal best time of 47.23 seconds in the 400 m was achieved in May 1994 in Rome.[1]