Mitsuo Matsumoto (born July 18, 1971) is a Japanese mixed martial artist. He competed in the Lightweight division.
|- | Loss | align=center| | Eriya Matsuda | TKO (punches) | Pancrase: 2006 Neo-Blood Tournament Semifinals | | align=center| 2 | align=center| 3:46 | Tokyo, Japan | |- | Win | align=center| 9âÂÂ9âÂÂ1 | Yuichi Ikari | TKO (doctor stoppage) | Pancrase: 2006 Neo-Blood Tournament Eliminations | | align=center| 1 | align=center| 2:04 | Tokyo, Japan | |- | Loss | align=center| 8âÂÂ9âÂÂ1 | Sotaro Yamada | Submission (rear-naked choke) | | | align=center| 2 | align=center| 2:10 | Tokyo, Japan | |- | Win | align=center| 8âÂÂ8âÂÂ1 | Tomoya Miyashita | Decision (unanimous) | | | align=center| 2 | align=center| 5:00 | Tokyo, Japan | |- | Win | align=center| 7âÂÂ8âÂÂ1 | Hiroyuki Ota | Decision (unanimous) | | | align=center| 2 | align=center| 5:00 | Tokyo, Japan | |- | Win | align=center| 6âÂÂ8âÂÂ1 | Motokazu Kobayashi | Decision (unanimous) | | | align=center| 2 | align=center| 5:00 | Tokyo, Japan | |- | Loss | align=center| 5âÂÂ8âÂÂ1 | Ippo Watanuki | Submission (armbar) | | | align=center| 1 | align=center| 3:23 | Tokyo, Japan | |- | Win | align=center| 5âÂÂ7âÂÂ1 | Hiroki Kotani | Decision (majority) | | | align=center| 2 | align=center| 5:00 | Setagaya, Tokyo, Japan | |- | Loss | align=center| 4âÂÂ7âÂÂ1 | Kotetsu Boku | Decision (unanimous) | | | align=center| 2 | align=center| 5:00 | Setagaya, Tokyo, Japan | |- | Loss | align=center| 4âÂÂ6âÂÂ1 | Takayuki Okochi | Decision (unanimous) | | | align=center| 2 | align=center| 5:00 | Setagaya, Tokyo, Japan | |- | Win | align=center| 4âÂÂ5âÂÂ1 | Takashi Ochi | Decision (unanimous) | | | align=center| 2 | align=center| 5:00 | Setagaya, Tokyo, Japan | |- | Draw | align=center| 3âÂÂ5âÂÂ1 | Hiroki Kotani | Draw | | | align=center| 2 | align=center| 5:00 | Setagaya, Tokyo, Japan | |- | Loss | align=center| 3âÂÂ5 | Yohei Suzuki | Decision (unanimous) | | | align=center| 2 | align=center| 5:00 | Tokyo, Japan | |- | Win | align=center| 3âÂÂ4 | Kieran Hewett | Decision (unanimous) | | | align=center| 2 | align=center| 5:00 | Setagaya, Tokyo, Japan | |- | Win | align=center| 2âÂÂ4 | Shinsuke Ueno | Decision (unanimous) | | | align=center| 2 | align=center| 5:00 | Setagaya, Tokyo, Japan | |- | Loss | align=center| 1âÂÂ4 | Koji Takeuchi | Submission (triangle choke) | | | align=center| 2 | align=center| 1:30 | Setagaya, Tokyo, Japan | |- | Loss | align=center| 1âÂÂ3 | Makoto Ishikawa | Decision (unanimous) | | | align=center| 2 | align=center| 5:00 | Tokyo, Japan | |- | Loss | align=center| 1âÂÂ2 | Masakazu Kuramochi | Decision (unanimous) | | | align=center| 2 | align=center| 5:00 | Tokyo, Japan | |- | Loss | align=center| 1âÂÂ1 | Naoya Uematsu | Decision (unanimous) | Lumax Cup: Tournament of J '97 Lightweight Tournament | | align=center| 2 | align=center| 3:00 | Japan | |- | Win | align=center| 1âÂÂ0 | Yoshihiro Fujita | Decision (unanimous) | Lumax Cup: Tournament of J '97 Lightweight Tournament | | align=center| 2 | align=center| 3:00 | Japan |