Smilla Sundell (born 12 November 2004) is a Swedish Muay Thai fighter, kickboxer, and mixed martial artist. She competed in ONE Championship, where she was the former ONE Women's Strawweight Muay Thai World Champion. On 22 April 2022 Sundell became the youngest person to ever win a world title in Muay Thai by defeating Jackie Buntan to win the inaugural ONE Women's Strawweight Championship at 17 years and 5 months. Since 2026, she has competed for the American MMA promotion Tuff-N-Uff, remaining undefeated through her first two professional bouts. In ONE Championship Sundell won all four of her bouts. She took the inaugural strawweight Muay Thai title from Jackie Buntan in April 2022, outpointed Milana Bjelogrlic a year later, then stopped Allycia Hellen Rodrigues with punches and elbows in September 2023 and finished Natalia Diachkova with body shots in May 2024. ============================================================== Best of Smilla Sundell ============================================================== #muaythai #smillasundell #onechampionship ============================================================== Combat Chronicles Muay Thai Footage rights provided by WSC Sports - https://tinyurl.com/BEASTMODEMMA