Brazilian jiu-jitsu weight classes are weight classes that pertain to the sport of Brazilian jiu-jitsu (BJJ) and vary according to the organisations.
The International Brazilian Jiu-Jitsu Federation (IBJJF) is the most prestigious BJJ organisation in the world, it oversees the biggest events in the sport such as the World Jiu-Jitsu Championship, the European Championship, the Asian Open Championship, the Pan-American Championship and the Brazilian Nationals. Rooster is the equivalent to Bantamweight in other combat sports.
Abu Dhabi Combat Club (ADCC) is the largest no gi submission grappling organisation in the world.
The largest events organised by the UAEJJF (United Arab Emirates Jiu-Jitsu Federation) are the Abu Dhabi World Professional Jiu-Jitsu Championship and the Abu Dhabi Grand Slam Jiu-Jitsu World Tour.