| Tõnu Tõniste | |
| Birth Place: | Tallinn, Estonia |
| Height: | 182 cm |
| Weight: | 76 kg |
| Classes: | 470, Melges 24, 49er |
| Show-Medals: | yes |
Tõnu Tõniste (born 26 April 1967) is Estonian Olympic sailor. He competed in four consecutive Summer Olympics, starting in 1988, winning a silver and a bronze medal in the men's 470 class, for the Soviet Union (silver, 1988) and for Estonia (bronze, 1992). He did so with his twin brother Toomas Tõniste. Now he is sailing in team Lenny in the Melges 24 class.[1] [2]