Sir John Fenwick, 3rd Baronet

Sir John Fenwick, 3rd Baronet
Bornc1645
Died28 January 1697
NationalityKingdom of England
Occupation(s)MP and Jacobite conspirator
Known forexecuted for treason
SpouseMary Fenwick born
ParentSir 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.