Charlotte Anne Montagu Douglas Scott, Duchess of Buccleuch and Queensberry, VA was a British peeress. A daughter of Thomas Thynne, 2nd Marquess of Bath, Charlotte married Walter Montagu Douglas Scott, 5th Duke of Buccleuch in 1829. They had seven children, including William Montagu Douglas Scott, 6th Duke of Buccleuch; Henry Douglas-Scott-Montagu, 1st Baron Montagu of Beaulieu; and the Royal Navy admiral Lord Charles Montagu Douglas Scott.

Thomas Thynne, 2nd Marquess of Bath KG, styled Viscount Weymouth from 1789 until 1796, was a British peer.