| Montclar | |
| Settlement Type: | Municipality |
| Mapsize: | 200px |
| Pushpin Map: | Spain Province of Barcelona#Spain |
| Pushpin Map Caption: | Location in Catalonia |
| Coordinates: | 42.0203°N 1.765°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Barcelona |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Berguedà |
| Leader Party: | M-AM |
| Leader Title: | Mayor |
| Leader Name: | Raquel Sala Prat (2015)[1] |
| Area Footnotes: | [2] |
| Area Total Km2: | 21.9 |
| Elevation M: | 728 |
| Population Density Km2: | auto |
| Population Demonym: | Montclarenc, montclarenca |
Montclar (in Catalan; Valencian pronounced as /muŋˈkla/) is a municipality in the comarca of Berguedà, Catalonia. The municipality includes an exclave to the north-east.
The town first appears in written documentation in the year 1117. In 1240, King James I of Aragon granted the land to Pere de Breda, though by 1309, it was once again a possession of the crown.
The municipality's parochial church, in the Romanesque style, is dedicated to Sant Martí. It was constructed in the 12th century. It has a single nave with apse. It also has a later, hip-roofed bell tower, and conserves a baroque altar and other neoclassical elements in the interior. The church was completely renovated in 1970.
The municipality has several other extant churches, including the Church of the Santa Creu, and, notably, the Church of Sant Quintí. This barrel-vaulted structure had its 11th century reliquary removed to the Diocesan Museum of Solsona.
Montclar's town festival is celebrated in January, to coincide with the feast day of Saint Sebastian.
Agriculture is the chief employer of the municipality, and in particular dryland farming, particularly of cereals.