Charles Douglas, 3rd Duke of Queensberry, 2nd Duke of Dover, was a Scottish nobleman, extensive landowner, Privy Counsellor and Vice Admiral of Scotland.

Queensberry House is a building of 17th-century origin which is now a Category A listed building. It stands on the south side of the Canongate, Edinburgh, Scotland, incorporated into the Scottish Parliament complex on its north-west corner. It contains the office of the Presiding Officer, two Deputy Presiding Officers, the Parliament's Chief Executive, and other staff.