Cojocna (; ) is a commune in Cluj County, Transylvania, Romania. It is composed of eight villages: Boj-CÃÂtun (Bósi alagút), Boju (Kolozsbós), Cara (Kolozskara), Cojocna, Huci (Cserealja), Iuriu de Câmpie (Mezà Âà Âr), MoriÃÂti (Hurubák), and Straja (Szávatanya).
Located in the central-east part of the county, the commune belongs to the Cluj-Napoca metropolitan area.
According to the census from 2011, there were 4,194 people living in this commune; of this population, 55.8% were ethnic Romanians, 20.4% were ethnic Roma, and 16.7% were ethnic Hungarians. At the 2021 census, Cojocna had a population of 4,291.