Chatou (French pronunciation: [ʃatu] ⓘ) is a commune in the Yvelines department in the Île-de-France region in north-central France.

Chatou is a part of the affluent suburbs of western Paris and is on the northwest side of the Seine river about 14 km (9 mi) from the city's center.

Chatou is also the host of the Maison Fournaise, a meeting place for Impressionist painters in the past.

It was a place where Pierre-Auguste Renoir painted numerous pieces (portraits of the Fournaise family, surrounding landscapes etc.

The painting is today part of the Phillips Collection in Washington, D.C. On August 25, 1944, in Chatou, the nazis shot 27 people, civilians and members of the French Resistance.