Kei Maezono is a Japanese mixed martial artist with a professional record of 8-4 across 12 bouts. They've won 1 by KO/TKO, 4 by submission and 3 by decision — a 62 % finish rate. Most wins come by submission. Last competed June 2026 (active). Has fought most often in Japan (10 bouts).
Fight locations (5 venues)
Career timeline — fights by year
Frequently asked
What is Kei Maezono's MMA record?
Kei Maezono has a professional MMA record of 8-4 — 1 wins by KO/TKO, 4 by submission, 3 by decision.
How does Kei Maezono usually win?
They most often win by submission (4 of 8 wins).
How does Kei Maezono usually lose?
Most of Kei Maezono's losses come by decision (2 of 4).
Is Kei Maezono still active?
Kei Maezono last competed in June 2026, and is considered active (no bout in over two years).
What is Kei Maezono's fastest finish?
submission of Ichiki Tanaka in 1:24 (Rd 1) at Deep - Osaka Impact 2022 3rd Round.
Where is Kei Maezono from?
Kei Maezono is a Japanese mixed martial artist.
What is Kei Maezono's longest MMA win streak?
Kei Maezono's longest winning run on record is 7 straight victories.
Where does Kei Maezono rank in MMA?
Kei Maezono sits at #12,932 of 32,631 fighters in the Fight Forensics global MMA rankings.
Pro MMA (12)
Amateur (1)
Amateur bouts — not counted toward the pro record.