| Type: | commune |
| County: | Alba |
| Bucium | |
| Leader Name: | Cornel Napău |
| Leader Party: | PSD |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 46.2639°N 23.1761°W |
| Elevation: | 951 |
| Area Total: | 85.7 |
| Population Total: | auto |
| Postal Code: | 517165 |
| Area Code: | +40 x58 |
Bucium (de|Baumdorf; hu|Bucsony) is a commune located in Alba County, Transylvania, Romania. It has a population of 1,272 as of 2021. It is composed of thirty villages: Anghelești, Bisericani, Bucium, Bucium-Sat (Bucsum-Szát), Cerbu (Bucsum-Cserbu), Ciuculești, Coleșeni, Dogărești, Ferești, Florești, Gura Izbitei, Helești, Izbicioara, Izbita (Bucsum-Izbita), Jurcuiești, Lupulești, Măgura, Muntari (Bucsum-Muntár), Petreni, Poiana, Poieni (Bucsum-Pojén), Stâlnișoara, Vâlcea, Valea Abruzel, Valea Albă, Valea Cerbului, Valea Negrilesii, Valea Poienii, Valea Șesii, and Văleni.
The commune is situated east of Abrud. On its territory can be found a Roman castrum, as well as the ancient open-pit mining sites at Ieruga and Gaura Perii. The Bucium gold deposits are located within the northernmost volcanic belt of the "Golden Quadrilateral," near the Roșia Montană mining town.[1]
The physicist Ion I. Agârbiceanu was a native of Bucium. His father, the writer Ion Agârbiceanu, served as Greek-Catholic parish priest at the church in Bucium–Șasa village (now Ciuculești).
In Béla Bartók's Romanian Folk Dances, the fourth dance is called "Buciumeana", meaning a dance from Bucium.[2]