| Ekaterina Tretyakova | |
| Nationality: | Russian |
| Birth Name: | Yekaterina Starodubova |
| Birth Date: | 19 October 1984 |
| Birth Place: | Chelyabinsk, Russia |
| Height: | 1.76 m |
| Weight: | 65 kg |
| Spike: | 301 cm |
| Block: | 292 cm |
| Position: | Libero |
| Currentclub: | Leningradka Saint Petersburg |
| College: | VC Universitet-Tekhnolog Belgorod |
| Nationalteam: | Russia |
Ekaterina Tretyakova (born 19 October 1984) is a Russian volleyball player for Leningradka Saint Petersburg and the Russian national team.
She played for VC Universitet-Tekhnolog Belgorod.She participated at the 2017 Women's European Volleyball Championship.[1] and the 2017 FIVB Volleyball Women's World Grand Champions Cup.[2]