The Peugeot 108 is a city car launched by French manufacturer Peugeot in March 2014 at the Geneva Motor Show. The 108 is related to the Citroën C1 and Toyota Aygo, and shares their floorpan, engines, transmission and electrics. Sales commenced in June 2014 in Mainland Europe and in July 2014 in the United Kingdom.

The A-segment is the first category in the passenger car classification system defined by the European Commission. It is used for city cars, the smallest category of passenger cars defined.