Наоя Иноуе

Naoya Inoue (井上 尚弥, Inoue Naoya, born 10 April 1993) is a Japanese professional boxer. He has held multiple world championships in four weight classes, and is only the second male boxer in history (following Terence Crawford) to become the undisputed champion in two weight classes in the four-belt era. Nicknamed "The Monster", Inoue is known for his exceptional punching power, possessing a knockout ratio of 90.4% in world title matches, which is the highest KO rate in the history of world title matches.

Inoue is the first and only boxer to win the undisputed championship at super bantamweight, having held all four major titles since 2023, as well as the Ring magazine title. He also held the undisputed championship at bantamweight between 2019 and 2023, the first boxer in history to do so in the four-belt era. Previously he held the World Boxing Organization (WBO) junior bantamweight title from 2014 to 2018, and the World Boxing Council (WBC) light flyweight title in 2014.

As of March 2024, he is ranked as the world's second best active boxer, pound for pound, by The Ring; the Boxing Writers Association of America (BWAA); the Transnational Boxing Rankings Board (TBRB); ESPN; and BoxRec. He is also ranked as the world's best active super bantamweight by The Ring, TBRB; ESPN, and BoxRec. He is the only Japanese fighter in history to be ranked No. 1 pound for pound by The Ring, and was named Fighter of the Year in 2023 by The Ring, BWAA, and ESPN.