The middleweight division in mixed martial arts refers to different weight classes: * The UFC's middleweight division, which groups competitors within 171 to 185 lb (77.5 to 84 kg) * The Shooto's middleweight class, which refers to competitors between 155 and 170 lb (70.3 and 77.1 kg) * The ONE Championship's middleweight division follows the Pride FC model, with an upper limit of 93 kg (205 lb) * The Road FC's middleweight division, with an upper limit of 185 lb (84 kg)