Atomweight (MMA)

The atomweight division in mixed martial arts generally refers to competitors weighing less than 48 kg (105.8 lb), depending on the promotion.

It sits below the heavier strawweight division and is the lightest weight class widely recognized within MMA.

[1] In general, atomweight refers to competitors weighing less than 48 kg (105.8 lb), but the exact weight differs per promotion.

A tournament took place that culminated on December 17, 2011 at Jewels 17th Ring, where Naho Sugiyama defeated both Kikuyo Ishikawa and Misaki Takimoto on the same night to win the inaugural championship.

[11] Shooto introduced an atomweight championship via a tournament that culminated on November 27, 2022, where Chihiro Sawada defeated Yuki Ono.