Bantamweight in MMA is contested at 135 pounds (61.2 kilograms) and is widely considered one of the most competitive divisions in the sport. The UFC, PFL, ONE Championship, Bellator (historically), Rizin, and Cage Warriors all run bantamweight divisions, and depth is exceptional in both the men's and women's brackets.
The UFC men's bantamweight title traces its lineage back to the WEC, where Dominick Cruz developed his footwork-heavy, angle-based style. Cruz, T.J. Dillashaw, Cody Garbrandt, Henry Cejudo, Petr Yan, Aljamain Sterling, Sean O'Malley, and Merab Dvalishvili have all held the belt in the modern era, making it one of the most active divisions in terms of title changes. Dvalishvili in particular became a defining champion in 2024-2025 with a wrestling-and-cardio formula that overwhelmed strikers like O'Malley and Umar Nurmagomedov.
The women's bantamweight division was the UFC's first women's class, launched in 2013 with Ronda Rousey as inaugural champion. Rousey's six-defense reign, fueled by judo throws and arm bars, helped legitimize women's MMA at the top level. Holly Holm's head-kick knockout, Amanda Nunes's two reigns and historic finishes of Rousey, Miesha Tate, and Cris Cyborg, and Julianna Peña's upset of Nunes all helped shape the division. Nunes is widely considered the greatest women's fighter in history and dominated this class until her 2023 retirement.
Notable record holders include Dominick Cruz, whose comeback from multiple ACL injuries to recapture the title remains one of MMA's most remarkable stories; Aljamain Sterling, who became the first man to defend the UFC bantamweight title three times in a row in the post-Cruz era; and Amanda Nunes, whose ability to finish fights in the first round across both bantamweight and featherweight is largely unmatched.
Bantamweight rewards a hybrid skill set. Pure strikers struggle without functional wrestling, and pure wrestlers get out-pointed without striking polish. The pace is extremely high, finish rates are solid, and championship rounds are common. Wrestling-heavy champions like Dvalishvili and the Nurmagomedov training tree have shifted the meta toward 25-minute pressure styles, but creative strikers can still thrive.
In terms of crossover, UFC bantamweight maps almost exactly to ONE Championship's flyweight (135 lb), though as with other ONE comparisons the hydration testing means fighters compete closer to their walking weights. In boxing, 135 pounds is the lightweight limit, so a UFC bantamweight has the frame of a boxing lightweight or super featherweight. In Muay Thai stadium rules, the limit is the same as the lightweight stadium division (61.2 kg), so the cross-discipline alignment is unusually clean at this weight.