| Athanasios Giannopoulos | |
| Nationality: | Greek |
| Sport: | Boxing |
| Birth Date: | 12 June 1947 |
Athanasios Giannopoulos (born 12 June 1947) is a Greek boxer. He competed in the men's middleweight event at the 1972 Summer Olympics.[1] At the 1972 Summer Olympics, he lost in his first fight to Nazif Kuran of Turkey.[1]