Tags: Swimmer.
Valentyna Trehub (Ukrainian: Валентина Трегуб; born September 15 1977) is a retired Ukrainian swimmer who specialized in sprint freestyle events. Trehub competed for Ukraine in two relay swimming events at the 2000 Summer Olympics in Sydney. On the first day of the Games Trehub teamed up with Nadiya Beshevli Olena Lapunova and Olga Mukomol in the 4×100 m freestyle relay.