Who has the most decision wins in MMA?
Keiichiro Yamamiya
Across major MMA promotions, Keiichiro Yamamiya has the most wins by decision (27).
Based on 16,953 decision wins in major promotions.
As of 21 July 2026 · methodology
1
Keiichiro Yamamiya
27
2
Yuki Kondo
25
3
Takafumi Ito
24
4
Hiromasa Ougikubo
21
5
Kiuma Kunioku
18
6
Yushin Okami
18
7
Izuru Takeuchi
17
8
Masakatsu Ueda
16
9
Osami Shibuya
16
10
Jon Fitch
16
11
Mamoru Yamaguchi
16
12
Yoshihiro Koyama
16