Aldbar Castle, or Auldbar Castle, was a 16th-century tower house, located 2 miles (3.2 km) southwest of Brechin, in Angus, Scotland.
The estate was owned by the Crammond family since the 13th century before it was sold to John Lyon, 8th Lord Glamis (c. 1544 – 1575) in 1575.
[1] His son Sir Thomas Lyon (died 1608) served as Treasurer of Scotland from 1585 to 1595, and built the castle in the later 16th century.
The artist Clarkson Stanfield painted the castle in 1801.
A 13th-century grave slab from the castle's chapel is held at the National Museum of Scotland in Edinburgh.