| Tambusamy Krishnan | |
| Nationality: | Malaysian |
| Sport: | Sprinting |
| Event: | 400 metres |
| Birth Date: | 8 July 1944 |
| Birth Place: | Penang, Japanese-occupied Malaya |
| Death Place: | Penang, Malaysia |
Tambusamy Krishnan (8 July 1944 – 20 December 2023) was a Malaysian sprinter. He competed in the men's 400 metres at the 1972 Summer Olympics.[1] Krishnan died on 20 December 2023, at the age of 79.[2]