A Motorcycle gang (also known as a Biker gang) is a gang whose members are motorcycle riders.

The 'Big Four' outlaw motorcycle gangs are generally considered to be:

• the Hells Angels
• the Bandidos
• the Outlaws
• the Pagans MC

There have also been scooter gangs , notably the Mods in the UK in the 1960s.

See also: motorcycle club