Sir John Fenwick, 3rd Baronet

Sir John Fenwick, 3rd Baronet
Born	c1645
Died	28 January 1697 London
Nationality	Kingdom of England
Occupation(s)	MP and Jacobite conspirator
Known for	executed for treason
Spouse	Mary Fenwick born
Parent	Sir William Fenwick

Sir John Fenwick, 3rd Baronet (c. 1645 – 28 January 1697) was an English Army officer and politician. He succeeded to the Fenwick baronetcy after the death of his father, Sir William Fenwick. A supporter of the Jacobite cause, Fenwick was involved in a conspiracy to assassinate William III of England, and was executed by beheading in 1697 as a result.