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.

• Aryan Brotherhood
• Black Guerrilla Family
• Mexican Mafia
• Nuestra Familia
• Fresno Bulldogs

• 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
• Devils Diciples
• Diablos Motorcycle Club
• Fresno Bulldogs
• Galloping Goose Motorcycle Club
• Gypsy Joker Motorcycle Club
• Hells Angels
• Latin Kings (gang)
• Lopers
• 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

• List of gangs in Los Angeles, California
• List of gangs in the United States
• List of LASD deputy gangs
• Watts Gang Task Force