Earl of Stockton is a title in the Peerage of the United Kingdom created in 1984, along with the subsidiary title of Viscount Macmillan of Ovenden, of Chelwood Gate in the County of East Sussex and of Stockton-on-Tees in the County of Cleveland, which is the courtesy title of the heir to the title being the eldest son of the present holder.

Earl of Stockton (1984)

• Harold Macmillan, 1st Earl of Stockton (1894-1986)
• Alexander Macmillan, 2nd Earl of Stockton (b. 1943)