Corbu (,<small> Hungarian pronunciation:</small> ) is a commune in Harghita County, Transylvania, Romania. The commune is composed of two villages, Capu Corbului (Hollósarka) and Corbu.
The commune is located in the northern part of the county, on the border with NeamàCounty. Corbu lies at an altitude of about , nestled between the BistriÃÂa Mountains and the . The Bistricioara River and its right tributaries, Pârâul Vinului and Corbu, flow through the commune.
The nearest town is Borsec, to the west; the county seat, Miercurea Ciuc, is to the south. Corbu is crossed by national road , which links Transylvania to Western Moldavia.
At the 2011 census, the commune had a population of 1,520; out of them, 84% were Romanian, 9% were Hungarian, and 5% were Roma.