Cernica is a commune in the southeast part of Ilfov County, Romania, with a population of 9,425 as of 2002. It is composed of five villages: Bălăceanca, Căldăraru, Cernica, Poşta and Tânganu, several villages on the bank of lake Cernica. The commune lent its name to the Cernica Monastery, an early 17th-century Orthodox monastery in the nearby town of Pantelimon.