Luna (; ) is a commune in Cluj County, Transylvania, Romania. It is composed of three villages: GligoreÃÂti (formerly SÃÂmÃÂrtinu SÃÂrat; Sószentmárton), Luna (Aranyoslóna), and Luncani (Aranyosgerend).
According to a census taken in 2002, the commune had a population of 4,450, of which 86.17% were ethnic Romanians, 10.24% ethnic Hungarians, and 3.48% ethnic Roma. Luna and GligoreÃÂti had a Romanian majority, while previously Grindeni ( or Gerend), had a population of 1,454, of which Hungarians represented the majority. At the 2021 census, Luna had a population of 4,750; of those, 86.42% were Romanians and 6.21% Hungarians.