Koki Eto
- Date of Birth: 8th February 1988 (36 years old)
- Career duration: 16 years 3 months
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Nationality:
Japan -
Birthplace:
Kunigami, Okinawa, Japan
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Residence:
Tokyo, Japan
- Division: Super Flyweight
- Reach: 69.7"
- Height: 5ft 9"
- Stance: Orthodox
- BoxRec: Koki Eto
- Debut: 11th August 2008