| Lazaros Petropoulakis | |
| Nationality: | Greek |
| Sport: | Sprinting |
| Event: | 4 × 400 metres relay |
| Birth Date: | 25 June 1925 |
| Birth Place: | Athens, Kingdom of Greece |
Lazaros Petropoulakis (born 25 June 1925) was a Greek sprinter. He competed in the men's 4 × 400 metres relay at the 1948 Summer Olympics.[1]