Brechin Castle is a castle in Brechin, Angus, Scotland. The castle was constructed in stone during the 13th century. Most of the current building dates to the early 18th century, when extensive reconstruction was carried out by architect Alexander Edward for James Maule, 4th Earl of Panmure, between approximately 1696 and 1709. The castle is a 37,748 square feet (3,506.9 m2) Category A listed building and the grounds are included in the Inventory of Gardens and Designed Landscapes in Scotland.

Angus is one of the 32 local government council areas of Scotland, a registration county and a lieutenancy area. The council area borders Aberdeenshire, Dundee City and Perth and Kinross. Main industries include agriculture and fishing. Global pharmaceuticals company GSK has a significant presence in Montrose in the east of the county.