Masashi Oya is a Japanese poker player. In 2022 he won MSPT Venetian for $161,780.
A regular on the PokerGO Tour, Oya has also cashed in Venetian High Rollers as well as the U.S. Poker Open. In 2022 he also cashed in a €5,200 side event at EPT Monte Carlo, finishing fourth for €28,709.