| Sergei Likhachev | |
| Birth Date: | 20 March 1940 |
| Birth Place: | Baku, Azerbaijan SSR |
| Death Place: | Moscow, Russia |
| Singlesrecord: | 6–18 |
| Highestsinglesranking: | No. 194 (3 June 1974) |
| Frenchopenresult: | 3R (1967) |
| Wimbledonresult: | 4R (1967) |
| Usopenresult: | 1R (1962) |
| Doublesrecord: | 29–19 |
| Doublestitles: | 1 |
Sergei Likhachev (20 March 1940 — 18 October 2016) was a Soviet tennis player and tennis coach. He competed in the Davis Cup from 1962 to 1973.[1]