List of ONE Championship champions

Current champions

Tournament winners

Event	Date	Division	Winner	Runner-up
2013 in ONE Championship#ONE [Fighting Championship: Rise to Power|ONE FC: Rise to Power]	May 31, 2013	Bantamweight	Records Most wins in title bouts Title wins Champion Weight class W D NC L 11 Most consecutive title defenses Defenses Champion Division Period 7 Multi-division champions No. Champion Division Won Lost Defenses Reign Total Reign 1 Simultaneous two division champions No. Champion Division Span Defenses Simultaneous Reign 1 formatnum: age in days|2017|11|10|show unit=|2018|9|28| Champions by nationality Fighters with multiple title reigns in a specific division are only counted once. Interim champions who never became linear champions are only listed in parentheses. Country MMA Kickboxing Muay Thai Submission Grappling Tournament Total (