Date of Birth: 
Place of Birth: Yamanashi, Yamanashi Prefecture, Japan
About Naoko Kumagai
- Naoko Kumagai (born August 8, 1971 in Yamanashi) is a Japanese female kickboxer and 3-time World Champion in 3 different weight classes.
- She also had two amateur boxing matches with Russian Elena Karpachova, and one pro boxing match.Kumagai is known for her knockout punch and high KO percentage.
- Her kickboxing record is 36 fights, with 31 wins 27 via KO, 4 losses and 2 draw.
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