John Markham may refer to:
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John Markham (judge), English judge
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John Markham (Royal Navy officer) (1761–1827), British admiral
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Johnny Markham (1908–1975), American baseball player
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John Markham (died 1559), MP for
Nottinghamshire (UK Parliament constituency)
Nottinghamshire was a county constituency of the House of Commons of the Parliament of England then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1832. It was represented by two Me ...
and Nottingham
{{hndis, Markham, John