Roman Zentsov is a Russian mixed martial artist and boxer.
- Andrei Arlovski vs. Roman Zentsov - The fight was Zentsov's second professional fight and his first loss. The fight was in the finals of the 2000 M-1 MFC-European Heavyweight championship tournament.
- Alistair Overeem vs. Roman Zentsov
- Fabricio Werdum vs. Roman Zentsov - Fabricio Werdum came into the fight undefeated. The fight was Zentsov's Pride debut.
- Pedro Rizzo vs. Roman Zentsov - The fight was the second and last of Pedro Rizzo's brief stint in the Pride organization.
- Mike Russow vs. Roman Zentsov