Ciolpani is a commune in the northwestern part of Ilfov County, Muntenia, Romania.

It is composed of five villages: Ciolpani, Izvorani, Lupăria, Piscu, and Țigănești.

It is crossed by national road DN1, which connects the capital city with Ploiești, Brașov, and the northwest of the country.

Road DN1L branches off from Ciolpani, leading to the shore of Lake Snagov, 5 km (3.1 mi) to the east.

Its name is the plural of ciolpan, a Romanian word meaning "tree stump".