This is a list of notable criminally-active street gangs operating or formerly operating in California.
To be included in this list, the gang must have a Wikipedia article with references showing it is a California street gang.
Prison gangs
Aryan Brotherhood
Black Guerrilla Family
Mexican Mafia
Nuestra Familia
Fresno Bulldogs
Street gangs
18th Street gang
Abergil crime family
Armenian Power
Bahala Na Gang
Bloods
Black P. Stones
Bounty Hunter Bloods
Pirus
Chosen Few MC
Crips
Asian Boyz
Grape Street Watts Crips
Rollin' 30s Harlem Crips
Rollin 60's Neighborhood Crips
Sons of Samoa
Tongan Crip Gang
Venice Shoreline Crips
Dodge City Crips
Devils Diciples
Diablos Motorcycle Club
Fresno Bulldogs
Galloping Goose Motorcycle Club
Gypsy Joker Motorcycle Club
Hells Angels
Latin Kings (gang) Los Angeles crime family Menace of Destruction Mongols Motorcycle Club Moonshiners Motorcycle Club MS-13 Norteños Peckerwood Nazi Lowriders Public Enemy No. 1 Rancho San Pedro Gang Satanas Sinaloa Cartel Beltrán-Leyva Cartel Sureños 38th Street gang The Avenues Azusa 13 Culver City Boys 13 El Monte Flores Florencia 13 Logan Heights Gang OVS Playboys Puente 13 Santa Monica 13 Río 13 Shelltown 38th St Temple Street Toonerville Rifa 13 Varrio Nuevo Estrada Venice 13 Westside Locos 13 White Fence Vineland Boys Tiny Rascal Gang Triad 14K Triad Bamboo Union Big Circle Gang Black Dragons Four Seas Gang Jackson Street Boys Wah Ching Wo Hop To Wo Shing Wo Wilmas 13 Vagos Motorcycle Club Varrio 204th Street Yakuza