| Jinzaburo Yonezawa | |
| Birth Date: | 26 October 1977 |
| Birth Place: | Japan |
| Nationality: | Japanese |
| Weight: | 154lb |
| Weight Class: | Lightweight |
| Team: | Gracie Barra Tokyo |
| Years Active: | 1999 - 2007 |
| Mma Subwin: | 1 |
| Mma Subloss: | 2 |
| Mma Decloss: | 3 |
| Mma Draw: | 1 |
| Sherdog: | 1284 |
Jinzaburo Yonezawa (born October 26, 1977) is a Japanese[1] mixed martial artist.[2] He competed in the Lightweight division.
|-| 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|