Sărmaș (Hungarian: Salamás) is a commune in Harghita County, Transylvania, Romania. Ethnic Romanians represent the majority. The commune is composed of five villages: Hodoșa (Gyergyóhodos), Fundoaia (Fundoja), Platonești (Kerekfenyő), Runc (Runk), and Sărmaș.

At the 2002 census, 80.6% of inhabitants were Romanians and 19.2% Hungarians; all villages had a Romanian majority, with Hungarian residents concentrated in Sărmaș, Hodoșa, and Runc. At the 2021 census, Sărmaș had a population of 3,366; of those, 79.17% were Romanians and 14.08% Hungarians.

• Nicolae Răcean (born 1963), rugby union player and coach