Akinori Watanabe
- Nickname: Ushiwakamaru Akibei
- Date of Birth: 12th July 1985 (39 years old)
- Career duration: 20 years 11 months
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Nationality:
Japan -
Birthplace:
Kitakatsushika, Saitama, Japan
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Residence:
Tokyo, Japan
- Division: Super Welterweight
- Reach: 72.4"
- Height: 5ft 9"
- Stance: Southpaw
- BoxRec: Akinori Watanabe
- Debut: 16th February 2004