John Campbell, 1st Earl of Breadalbane and Holland, Scottish soldier (born 1636)

John Campbell, 1st Earl of Breadalbane and Holland, known as Sir John Campbell, 5th Baronet from 1670 to 1681, was a Scottish politician. Heavily involved in the Glorious Revolution and Jacobite risings, he was known as "Slippery John". An astutely political man, Campbell was one of the men implicated in the Massacre of Glencoe.