The arrondissement of Rambouillet is an arrondissement of France in the Yvelines department in the Île-de-France region.

[2] Its population is 230,545 (2021), and its area is 987.3 km2 (381.2 sq mi).

[3] The communes of the arrondissement of Rambouillet, and their INSEE codes, are:[2] The arrondissement of Rambouillet was created in 1812 as part of the department Seine-et-Oise.

[6] As a result of the reorganisation of the cantons of France which came into effect in 2015, the borders of the cantons are no longer related to the borders of the arrondissements.

The cantons of the arrondissement of Rambouillet were, as of January 2015:[7]