Mariusz Książkiewicz
Polish-Canadian mixed martial artist (born 1989)
- Born
- 4 October 1989
- Citizenship
- Canada
- Sport
- mixed martial arts
- Occupation
- mixed martial arts fighter
Mariusz Książkiewicz (born October 4, 1989) is a German-born Polish-Canadian professional mixed martial artist. He currently competes in the Light Heavyweight division for Konfrontacja Sztuk Walki. He is a former Unified MMA and Ignite Fights Light Heavyweight champion. He previously competed on Aggression Fighting Championship, Legacy Fighting Alliance, and Dana White's Contender Series.
External links
Facts from Wikidata Q111698971 (CC0); quoted introduction from English Wikipedia (CC BY-SA 4.0). Data retrieved 2026-10-22.
Data: Wikidata (CC0 1.0); Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.