John Riel Casimero

Filipino boxer

喬里爾·卡西美路 · ジョンリル・カシメロ

Born

13 February 1990, Ormoc

Citizenship

Philippines

Sport

boxing

Discipline

flyweight, light flyweight

Occupation

boxer

Height

163 cm (5 ft 4 in)

Weight

50 kg (110 lb)

John Riel Reponte Casimero (born February 13, 1989) is a Filipino professional boxer and YouTuber. He has held world championships in three weight classes including the International Boxing Federation (IBF) junior-flyweight title from 2012 to 2013, the IBF flyweight title in 2016, and the World Boxing Organization (WBO) bantamweight title from 2019 to 2022.

Casimero has attracted significant controversy for his conduct outside of the ring, including allegations of sexual assault and threats against boxing personalities.

Awards and honours

• IBF World Flyweight Champion
• IBF World Junior Flyweight Champion
• WBO World Bantamweight Champion

External links

• Wikipedia
• BoxRec
• Wikidata

Facts from Wikidata Q3078771 (CC0); quoted introduction from English Wikipedia (CC BY-SA 4.0). Data retrieved 2026-10-22.

Data: Wikidata (CC0 1.0); Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.