Leon Kleiner is a German mixed martial artist with a professional record of 5-4 across 9 bouts. They've won 4 by KO/TKO, 0 by submission and 1 by decision — a 80 % finish rate. Most wins come by KO/TKO. Last competed May 2026 (active). Has fought most often in Germany (6 bouts).
Fight locations (2 venues)
Career timeline — fights by year
Frequently asked
What is Leon Kleiner's MMA record?
Leon Kleiner has a professional MMA record of 5-4 — 4 wins by KO/TKO, 0 by submission, 1 by decision.
How does Leon Kleiner usually win?
They most often win by KO/TKO (4 of 5 wins).
How does Leon Kleiner usually lose?
Most of Leon Kleiner's losses come by decision (2 of 4).
Is Leon Kleiner still active?
Leon Kleiner last competed in May 2026, and is considered active (no bout in over two years).
What is Leon Kleiner's fastest finish?
KO/TKO of Youri Poudret in 1:38 (Rd 1) at AFL - Amateur Series 15.
Where is Leon Kleiner from?
Leon Kleiner is a German mixed martial artist.
What is Leon Kleiner's longest MMA win streak?
Leon Kleiner's longest winning run on record is 2 straight victories.
Where does Leon Kleiner rank in MMA?
Leon Kleiner sits at #19,367 of 32,631 fighters in the Fight Forensics global MMA rankings.