| Type: | commune |
| County: | Maramureș |
| Boiu Mare | |
| Leader Name: | Gavril Pop |
| Leader Party: | PSD |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 47.4°N 58°W |
| Elevation: | 419 |
| Area Total: | 59.54 |
| Population Total: | auto |
| Postal Code: | 437060 |
| Area Code: | +40 x59 |
Boiu Mare (Hungarian: Nagybúny) is a commune in Maramureș County, Transylvania, Romania. It is composed of four villages: Boiu Mare, Frâncenii Boiului (Frinkfalva), Prislop (Jóháza), and Românești (Szalmapatak).
The commune is located in the southwestern part of Maramureș County, south of the county seat, Baia Mare, on the border with Sălaj County. It is crossed by county road DJ109G, which starts in Mesteacăn, to the west, and ends in Târgu Lăpuș, some to the east.
At the 2021 census, Boiu Mare had a population of 1,077, with an absolute majority (97%) of ethnic Romanians.[1]