Porchefontaine is a neighborhood in the south-east of Versailles, in Yvelines department of France.
It was a working class residential area. Since the 1970s, the working class has been replaced by white-collar workers.
It features a tiny downtown, two schools, a sports complex, and a green space that is surrounded by the Versailles, Satory, and Meudon woods.
48°47′43″N 2°09′21″E / 48.79528°N 2.15583°E