Jinzaburo Yonezawa (born October 26, 1977) is a Japanese mixed martial artist. He competed in the Lightweight division.
Mixed martial arts record
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| Loss
| align=center| 1-5-1
| Yuichi Ikari
| Decision (unanimous) | Pancrase: 2007 Neo-Blood Tournament Eliminations | | align=center| 2 | align=center| 5:00 | Tokyo, Japan | |- | Loss | align=center| 1-4-1 | Kenji Takeshige | Technical Submission (arm-triangle choke) | Pancrase: Rising 1 | | align=center| 1 | align=center| 4:27 | Osaka, Japan | |- | Loss | align=center| 1-3-1 | Taku Aramaki | Submission (triangle armbar) | GCM: Demolition 060730 | | align=center| 2 | align=center| 2:53 | Tokyo, Japan | |- | Win | align=center| 1-2-1 | Atsuo Hirano | Submission (rear-naked choke) | Pancrase: 2006 Neo-Blood Tournament Semifinals | | align=center| 2 | align=center| 4:19 | Tokyo, Japan | |- | Loss | align=center| 0-2-1 | Takashi Ochi | Decision (majority) | Shooto: R.E.A.D. 11 | | align=center| 2 | align=center| 5:00 | Setagaya, Tokyo, Japan | |- | Loss | align=center| 0-1-1 | Makoto Ishikawa | Decision (unanimous) | Shooto: R.E.A.D. 1 | | align=center| 2 | align=center| 5:00 | Tokyo, Japan | |- | Draw | align=center| 0-0-1 | Chikara Miyake | Draw | Shooto: Shooter's Soul | | align=center| 2 | align=center| 5:00 | Setagaya, Tokyo, Japan |