List of ONE Championship champions

This is a list of ONE Championship champions in each weight division of each sport.

Current champions




Heavyweight World Championship

 * Weight limit
 * — MMA: 265 lb
 * — Kickboxing / Muay Thai: Unlimited

Light Heavyweight World Championship

 * Weight limit: 225 lb

Middleweight World Championship

 * Weight limit: 205 lb

Welterweight World Championship

 * Weight limit: 185 lb

Lightweight World Championship

 * Weight limit: 170 lb

Featherweight World Championship

 * Weight limit: 155 lb

Bantamweight World Championship

 * Weight limit: 145 lb

Flyweight World Championship

 * Weight limit: 135 lb

Strawweight World Championship

 * Weight limit: 125 lb

Women's Strawweight World Championship

 * Weight limit: 125 lb

Women's Atomweight World Championship

 * Weight limit: 115 lb

Simultaneous two division champions
This table, different from the previous one, only counts the periods in which the fighter loaded the titles simultaneously and the defenses in that period of time.

Champions by nationality
Fighters with multiple title reigns in a specific division will only be counted once. Interim champions who never became linear champions are only listed in parentheses.