Rocquencourt, Yvelines

Rocquencourt
Part of Le Chesnay-Rocquencourt
The town hall in Rocquencourt
Coat of arms
Location of Rocquencourt
Rocquencourt Rocquencourt
Coordinates: 48°50′13″N 2°06′42″E
Country	France
Region	Île-de-France
Department	Yvelines
Arrondissement	Versailles
Canton	Le Chesnay-Rocquencourt
Commune	Le Chesnay-Rocquencourt
Area 1	2.78 km2 (1.07 sq mi)
Population  (2019)	3,613
• Density	1,300/km2 (3,400/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
Postal code	78150
Elevation	114–179 m (374–587 ft) (avg. 150 m or 490 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Rocquencourt is a former commune. It is in Île-de-France in the Yvelines department in north-central France. On 1 January 2019, it was merged into the new commune of Le Chesnay-Rocquencourt.