| Sport: | Water polo |
| Birth Date: | 23 May 1937 |
| Birth Place: | Scandicci, Italy |
| Death Place: | Florence, Italy |
Danio Bardi (23 May 1937 – 9 July 1991) was an Italian water polo player who competed in the 1960 Summer Olympics and in the 1964 Summer Olympics.
In 1960 he was a member of the Italian water polo team which won the gold medal. He played six matches and scored two goals.
Four years later he finished fourth with the Italian team in the water polo competition at the Tokyo Games. He played five matches.