Naoko Fujioka

Naoko Fujioka is a Japanese former professional boxer. She is Japan's first ever five-division world champion, having held the WBA female flyweight title between 2017 and 2022. She also previously held the WBC female minimumweight; WBO female junior-flyweight; WBA female super-flyweight; and WBO female bantamweight titles between 2012 and 2017. Fujioka is a member of the International Women's Boxing Hall of Fame.