Mateusz Bieniek (born 5 April 1994) is a Polish volleyball player, member of the Poland men's national volleyball team, participant of the Olympic Games (Rio 2016, Tokyo 2020), 2018 World Champion, bronze medallist of the 2015 World Cup. On club level, he plays for Polish team PGE Skra Bełchatów, two–time Polish Champion (2017, 2019).