ONE Fight Night 40: Buntan vs. Hemetsberger 2 was a combat sports event produced by ONE Championship that took place on February 14, 2026, at Lumpinee Boxing Stadium in Bangkok, Thailand. A ONE Women's Strawweight Kickboxing World Championship bout between current Champion Jackie Buntan and current ONE Women's Strawweight Muay Thai World Champion Stella Hemetsberger headlined the event. The pairing previously met at ONE Fight Night 35 in September 2025, where Hemetsberger captured the vacant title by unanimous decision.
Stella Hemetsberger
Self
Jackie Buntan
Self
Nico Carrillo
Self
Shadow Singha Mawynn
Self
Hu Yong
Self
Danny Kingad
Self
Ben Tynan
Self
Ryugo Takeuchi
Self
Adrian Lee
Self
Never Back Down: No Surrender70%
Unleashed69%
...All the Marbles61%
Never Back Down 2: The Beatdown64%
Hard Target65%
Undisputed III: Redemption75%
Lady Bloodfight65%
Kickboxer68%
Undisputed65%
Bloodsport70%
Rocky Balboa68%
Seriously Single69%
Wendy Wu: Homecoming Warrior61%
Easy Money60%
Perfect Addiction67%
Guns Up64%
Accident Man: Hitman's Holiday68%
Debt Collectors61%
Never Back Down67%
Female Fight Squad61%
