Sir Sidney Godolphin, 1st Earl of Godolphin, KG, PC (15 June 1645 – 15 September 1712) is a leading English politician of the late 17th and early 18th centuries.

He is a Privy Councillor and Secretary of State for the Northern Department before attaining real power as First Lord of the Treasury.

He has many other roles, including that of Governor of Scilly.