Oleh Suk (, born June 26, 1965, in Ternopil) is a Ukrainian rock musician, who has been a member of bands including Tea Fan Club, Dead Rooster, and Gorgisheli. He specialises in the bass guitar, and also plays the acoustic guitar and synthesizer.
Suk began experimenting with bass guitar while a student at Lviv Polytechnic. He later founded the art-rock band Catharsis. Suk and Ludwik Konopko formed a new art-rock band, Tea Fan Club (TFC), which was joined by other musicians including singer Oleksandr Ksenofontov and guitarist Vlad DeBriansky. The band split up 1993, and Suk subsequently created a project called Ulysses, joined Glass Bead Game, and later Dead Rooster in 1992.
In 2003 he started a new solo project ... but time, as the river .... He also became a member of Gorgisheli, which had been known until he joined as Black September ('Chornyy Veresen').