John Baldwin (died 1691) was an English politician who sat in the House of Commons in 1659 and 1660.
He was clerk to the parliamentary commissioners to Scotland from 1641 to 1642 and secretary to the Earl of Essex and provost-marshal-general to 1645.
[1] Before 1650 he purchased the manors of Wendover Borough and Forrens from George Gosnold and Robert Style and sold then in 1660 to Richard Hampden.
On the Restoration he was replaced in his post at the Tower and not reappointed to the commissions of the peace.
He lived quietly for the last 30 years of his life at Hillingdon.