thumb|Arms of the 1st to 6th and 15th Earls of Northesk
David Carnegie, 3rd Earl of Northesk (November 1643 – 3 October 1688) was a Scottish aristocrat and landowner.
Early life
Carnegie was born in November 1643. He was the son of David Carnegie, 2nd Earl of Northesk and Lady Jean Maule. His younger brothers were James Carnegie, a member of the Parliament of Scotland, Patrick Carnegie of Lour, Alexander Carnegie (later Blair of Kinfauns). His sisters included Lady Jean Carnegie (second wife Colin Lindsay, 3rd Earl of Balcarres), and Lady Magdalene Carnegie (wife of John Moodie of Ardbikie).
Personal life
On 2 September 1669, Carnegie married Lady Elizabeth Lindsay, daughter of John Lindsay, 17th Earl of Crawford, and his wife, the former Lady Margaret Hamilton (a daughter of James Hamilton, 2nd Marquess of Hamilton). Together, they were the parents of two children: