Mairon Santos
“ The Legend ”
Mairon Santos is a Brazilian mixed martial artist with a professional record of 17-1 across 18 bouts. They've won 9 by KO/TKO, 0 by submission and 8 by decision — a 53 % finish rate. Most wins come by KO/TKO. Currently on a 5-fight win streak. Last competed December 2025 (active). Has fought most often in Brazil (12 bouts).
Fight locations (8 venues)
Career timeline — fights by year
Frequently asked
What is Mairon Santos's MMA record?
Mairon Santos has a professional MMA record of 17-1 — 9 wins by KO/TKO, 0 by submission, 8 by decision.
How does Mairon Santos usually win?
They most often win by KO/TKO (9 of 17 wins).
How does Mairon Santos usually lose?
Most of Mairon Santos's losses come by KO/TKO (1 of 1).
Is Mairon Santos still active?
Mairon Santos last competed in December 2025, and is considered active (no bout in over two years).
What is Mairon Santos's fastest finish?
KO/TKO of Vinicius Mitsuo Morinishi in 2:08 (Rd 1) at Sicario MMA - Sicario 05.
Where is Mairon Santos from?
Mairon Santos is a Brazilian mixed martial artist.
What is Mairon Santos's longest MMA win streak?
Mairon Santos's longest winning run on record is 12 straight victories.
Where does Mairon Santos rank in MMA?
Mairon Santos sits at #678 of 32,631 fighters in the Fight Forensics global MMA rankings.
Pro MMA (18)
Amateur (1)
Amateur bouts — not counted toward the pro record.