Following the name of the champion(s): Indicates the number of times the competitor has held that title at that point.
[...]
Indicates a gap in the listing where title changes are not known.
<
Title was held or changed hands no later than this. In these cases, it is known that a competitor held the title at a certain time but not when he/she won it.
@
Order uncertain. Different titleholders may be known for the same year, for example, but it is not known who held the title before whom.
#
Unofficial or disputable claims. These are usually matches that certainly took place, but where there is doubt that the competitor shown should be recognized as a true title holder. These listings are also italicized.
ONE World Muay Thai Women's Strawweight Title [56.7kg/125lb] (as of 2025-09-06)
* Bolded letters in the competitor's name, if any, indicate the surname/family name.
Smilla Sundell
2022-04-22
Kallang, SIN
Defeats Jackie Buntan to become the first champion; stripped of the title on 24-05-02 for failing to make the weight limit for her title defense against Natalia Diachkova.
