Strikeforce was an American mixed martial arts organization. It crowned male champions in the lightweight, welterweight, middleweight, light heavyweight and heavyweight divisions, and female champions in featherweight and bantamweight.
World champions
Men's championships
Heavyweight Championship
206 pounds (93 kg) to 265 pounds (120 kg)
Light Heavyweight Championship
186 pounds (84 kg) to 205 pounds (93 kg)
Middleweight Championship
171 pounds (78 kg) to 185 pounds (84 kg)
Welterweight Championship
156 pounds (71 kg) to 170 pounds (77 kg)
Lightweight Championship
146 pounds (66 kg) to 155 pounds (70 kg)
Women's championships
Women's Featherweight Championship
136 pounds (62 kg) to 145 pounds (66 kg)Formerly known as the Women's Lightweight Championship and the Women's Middleweight Championship
Women's Bantamweight Championship
126 pounds (57 kg) to 135 pounds (61 kg)Formerly known as the Women's Welterweight Championship
U.S. champions
Middleweight U.S. Championship
170 pounds (77 kg) to 185 pounds (84 kg)
Lightweight U.S. Championship
145 pounds (66 kg) to 155 pounds (70 kg)
Tournament winners
Records
Most wins in title bouts
Most consecutive title defenses
Champions by nationality
The division champions include only linear and true champions. Interim champions who have never become linear champions will be listed as interim champions. Fighters with multiple title reigns in a specific division will also be counted once. Runners-up are not included in tournaments champions.