Cernica is a commune in the southeast part of Ilfov County, Muntenia, Romania, with a population of 11,871 as of 2021.

It is composed of five villages: Bălăceanca, Căldăraru, Cernica, Poșta, and Tânganu.

Cernica is crossed by the A2 motorway, which links Bucharest with the port city of Constanța.

The name is also given to the Cernica Forest, the largest wooded area around Bucharest.

The name of the commune is derived from the name of the vornic Cernica Știrbei and is of Slavic origin, meaning "black".