William Earnshaw may refer to:
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William Earnshaw (politician)
William Earnshaw (1852 – 29 December 1931) was a New Zealand Member of parliament, Member of Parliament for two Dunedin electorates representing the New Zealand Liberal Party, Liberal Party. He later served on the Legislative Council. He was o ...
, New Zealand member of parliament
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William Earnshaw (minister), American minister
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William C. Earnshaw, professor of chromosome dynamics
{{hndis, Earnshaw, William