William Monson may refer to:
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William L. Monson, American cable television businessman
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William Monson (Royal Navy officer) (1569–1643), English admiral
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William Monson, 1st Viscount Monson
William Monson, 1st Viscount Monson (died c. 1672) was one of the Regicides of King Charles I of England.
Monson was knighted in 1623 and created Viscount Monson of Castlemaine (Irish peerage) in 1628. He was elected M.P. for Reigate in 1640, ...
(died c. 1673), one of the Regicides of King Charles I of England
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William Monson, 1st Viscount Oxenbridge (1829–1898), Baron in the Peerage of Great Britain
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William Monson (1760–1807), Member of Parliament for
Lincoln, 1806–1807
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Sir William Monson, 4th Baronet (1653–1727), English politician
{{hndis, Monson, William