| Type: | commune |
| County: | Covasna |
| Official Name: | Bixad |
| Other Name: | Sepsibükszád |
| Leader Name: | Márton-Csaba Bács[1] |
| Leader Party: | UDMR |
| Term: | 2020 - 2024 |
| Coordinates: | 46.0167°N 25.8472°W |
| Elevation: | 663 |
| Area Total: | 60.59 |
| Population Total: | auto |
| Postal Code: | 527116 |
| Area Code: | (+40) 02 67 |
Bixad (Hungarian: Sepsibükszád, Hungarian pronunciation: NaNe) is a commune in Covasna County, Transylvania, Romania. Composed of a single village, Bixad, it was joined to Malnaș in 1968. It once again became an independent commune when it split off in 2004. It lies in the Székely Land, an ethno-cultural region in eastern Transylvania.
The commune is located in the northern part of Covasna County, from the county seat, Sfântu Gheorghe, on the border with Harghita County. It lies in a valley on the upper reaches of the Olt River, at an altitude of, on the northern side of the Baraolt Mountains. The river Valea Roșie merges into the Olt downstream of Bixad.
The commune is crossed by the national road (part of European route E78), which starts in Chichiș and goes north to Toplița. Route branches off in Bixad, going southeast towards Târgu Secuiesc. Two train stations (Cariera Bixad and Bicsadu Oltului) serve the CFR Main Line 400, which connects Brașov with the northwestern city of Satu Mare.
The commune has an absolute Székely Hungarian majority. At the 2011 Census, it had a population of 1,799, of which 94.94% were Hungarians and 1.89% Roma. At the 2021 Census, Bixad had 1,585 inhabitants; of those, 90,73% were Hungarians, 3.41% Roma, and 2.84% Romanians.[2]