Bilbor (, <small>Hungarian pronunciation :</small>) is a commune in Harghita County, Transylvania, Romania. It is composed of two villages, Bilbor and RÃÂchitià(Rakottyás).
Its name is of Slavic origin, meaning white pine, derived from ', white and ', pine.
The commune has an absolute ethnic Romanian majority. According to the 2002 census, it had a population of 2,859; of those, 99.44% were Romanians and 0.55% Hungarians. According to religion, the population was divided as follows: 2,845 Romanian Orthodox, 12 Roman Catholic, 1 Greek Catholic, and 1 Evangelical Lutheran. At the 2021 census, Bilbor had a population of 2,328, of which 92.74% were Romanians.