John Fenwick may refer to:

• John Fenwick (14th century MP) for Northumberland (UK Parliament constituency)
• Sir John Fenwick, 1st Baronet (c. 1570–1658), English landowner
• John Fenwick (MP for Morpeth) (d. 1644), English politician and soldier who was killed at the Battle of Marston Moor
• John Fenwick (Quaker) (1618–1683), English founder of a Quaker colony in Salem, New Jersey
• John Fenwick (Jesuit) (c. 1628–1679), English Jesuit
• Sir John Fenwick, 3rd Baronet (c. 1645–1697), English Jacobite conspirator
• John Ralph Fenwick (1761–1855), English physician and radical
• John Fenwick Burgoyne Blackett (c. 1821–1856), British politician
• John Fenwick (bishop)

Also

• John Fenwicke (c. 1593–1670), supported the parliamentary cause during the English Civil War.
• John Fenwick Service Area, a service area for travelers using the New Jersey Turnpike

Topics referred to by the same term

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