Tarna Mare (Hungarian pronunciation : ) is a commune of 3,563 inhabitants situated in Satu Mare County, Romania. It is composed of four villages: Bocicău (Bocskó), Tarna Mare, Valea Seacă (Avaspatak), and Văgaș (Nagytarnafürdő). Tarna Mare is situated in the Țara Oașului ethnocultural and historical region in the extreme north of Satu Mare County. It lies at an altitude of 168 m, on the banks of the river Tarna Mare. The commune is located 54 km northeast of the county seat, Satu Mare, on the border with Ukraine. At the 2021 census, the commune had a population of 3,563; of those, 81.17% were Romanians, 4.21% Ukrainians, 3.73% Roma, and 2.33% Hungarians.