Naoki Deguchi

Professional MMA referee — 29 bouts officiated on record.

29

Bouts

12

KO/TKO

9

Submission

7

Decision

Finish rate (of decided bouts) 75 %

Where they've officiated

Recent bouts officiated

Tsuyoshi Yoshida vs Daiki Kuramizu 2026-05-17

Grachan - Grachan 82 · TKO (Punches)

Ion Sato vs Yuhei Nagamitsu 2026-05-17

Grachan - Grachan 82 · Submission (Twister)

Katana Nishimura vs Toshikazu Sekizawa 2026-03-15

ROMAN - Roots of Martial Arts Network 4 · TKO (Punches)

Marlon Godoy vs Kentaro Ishikawa 2026-03-15

ROMAN - Roots of Martial Arts Network 4 · KO (Punch)

Hiroshi Fujita vs Paulo Surian 2026-03-15

ROMAN - Roots of Martial Arts Network 4 · Submission (Straight Armbar)

Kosuke Umemoto vs Takaya Saijo 2026-03-01

Grachan - Grachan 81: Helios 3 · KO (Punch)

Toranosuke Iwata vs Hironobu Imai 2026-01-17

Poundout - Poundout 3 · Submission (Rear-Naked Choke)

Koki Adachi vs Kaito Nozawa 2025-12-21

Grachan - Grachan Presents: Helios 2 · Submission (Leg Scissor Choke)

Tsuyoshi Yoshida vs Kuranosuke Sato 2025-12-21

Grachan - Grachan Presents: Helios 2 · TKO (Punches)

Hakuto Sato vs Harunobu Asuka 2025-12-21

Grachan - Grachan 79 · TKO (Punches)

Ryota Tagashira vs Tokuaki Ninomiya 2025-12-21

Grachan - Grachan 79 · Decision (Unanimous)

Sohail Khan vs Nobuyasu Yamada 2025-10-26

Burst - Origin · Decision (Unanimous)

Keisuke Koiso vs Kotaro Ueno 2025-10-26

Burst - Origin · KO (Head Kick)

Shohei Honda vs Leandro Souza 2025-10-26

Burst - Origin · TKO (Punches and Elbows)

Kaisei Konuma vs Hajime Kikuchi 2025-10-26

Burst - Origin · Decision (Unanimous)