Malnaș (Hungarian: Málnás, Hungarian pronunciation: [ˈmaːlnaːʃ]) is a commune in Covasna County, Transylvania Romania composed of three villages: Malnaș, Malnaș-Băi (Málnásfürdő), and Valea Zălanului (Zalánpatak).

In 2004, Bixad and Micfalău split from Malnaș and formed independent communes.

The commune is located in the northern part of Covasna County, 18 km (11 mi) north of the county seat, Sfântu Gheorghe, on the banks of the Olt River.

Malnaș is crossed by national road DN12 [ro], which starts in Chichiș and ends in Toplița.

The train stations in Malnaș and Malnaș-Băi serve the CFR Main Line 400, which connects Brașov with Satu Mare.