John Duncombe may refer to:

• John Duncombe (Bury St Edmunds MP) (1622–1687), English politician, Chancellor of the Exchequer
• John Duncombe (writer) (1729–1786), Church of England clergyman and writer
• John Duncombe (Yarmouth MP), represented Yarmouth (Isle of Wight) (UK Parliament constituency)

Topics referred to by the same term

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