Bilbor (Hungarian: Bélbor, Hungarian pronunciation :[ˈbeːlbor]) is a commune in Harghita County, Transylvania, Romania.

It is composed of two villages, Bilbor (Bélbor) and Răchitiș (Rakottyás).

Its name is of Slavic origin, meaning white pine, derived from *bělъ, white and *borъ, pine.

[3] The commune has an absolute ethnic Romanian majority.

Hungarians represent 0.55% or 16 individuals.