The Peugeot 309 is a small family car that was manufactured between 1985 and 1994 in France, England and Spain by PSA Peugeot Citroën. It was originally intended to be badged as a Talbot and, as development progressed, to be called the Talbot Arizona.

The C-segment is the 3rd category of the European segments for passenger cars and is described as "medium cars". It is equivalent to the Euro NCAP "small family car" size class, and the compact car category in the United States.