Archibald Douglas, later Campbell (1809 – July 1868) was the seventeenth Laird of Mains.
He was the son of Colin Douglas of Mains and Sophia Armine, daughter of J. Boydell.
He gave up the estate of Mains to his brother Colin.
He married Caroline Agnes, daughter of M. Dick of Pitkerro.
He was succeeded by his son, Archibald, who was created 1st Baron Blythswood in 1880.