Naoyuki Kotani Mixed martial arts record Mixed martial arts record

| Res_ | Record | Opponent | Method_ | Event | Round | Time_ | Location_ |
|---|---|---|---|---|---|---|---|
| Loss | 18-7-5 | Dennis Siver | KO (punch) | UFC 75 | 2 | 2:04 | London , England |
| Loss | 18-6-5 | Thiago Tavares | Decision (unanimous) | UFC Fight Night: Stevenson vs Guillard | 3 | 5:00 | Las Vegas, Nevada , United States |
| Win | 18-5-5 | Masayuki Okude | Submission (armbar) | ZST.12 | 1 | 0:58 | Tokyo , Japan |
| Draw | 17-5-5 | Erikas Petraitis | Draw | ZST.11 | 2 | 5:00 | Tokyo , Japan |
| Win | 17-5-4 | Shinya Sato | Submission (armbar) | ZST: GT-F2 | 1 | 2:09 | Tokyo , Japan |
| Draw | 16-5-4 | Darius Skliaudys | Draw | ZST.9 | 2 | 5:00 | Tokyo , Japan |
| Win | 16-5-3 | Vito Woods | Submission (armbar) | Xtreme Fighting Organization 8 | 1 | 1:23 | Illinois , United States |
| Loss | 15-5-3 | Luiz Azeredo | KO (punch) | PRIDE Bushido 9 | 1 | 0:11 | Tokyo , Japan |