Mariusz is a Slavic-language masculine name, and may refer to:
- Mariusz Czerkawski (b. 1972), Polish ice hockey player
- Mariusz Duda (b. 1975), Polish musician
- Mariusz Fyrstenberg (b. 1980), Polish tennis player
- Mariusz Jędra
- Mariusz Jop
- Mariusz Kamiński
- Mariusz Klimczyk
- Mariusz Kukiełka
- Mariusz Kwiecień
- Mariusz Lewandowski
- Mariusz Liberda
- Mariusz Linke, first Polish born black belt in Brazilian Jiu-Jitsu
- Mariusz Maszkiewicz
- Mariusz Niedbała
- Mariusz Pawełek
- Mariusz Podkościelny
- Mariusz Pudzianowski, five-time World's Strongest Man
- Mariusz Sacha
- Mariusz Siembida
- Mariusz Siudek
- Mariusz Zganiacz
- Mariusz Wach
- Mariusz Wodzicki
- See also Marius (name)
This page or section lists people that share the same given name.
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