Midwinter is a surname. Notable people with the surname include:
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Billy Midwinter (1851–1890), English and Australian cricketer
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Brian Midwinter, judge in Manitoba, Canada
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James Robert Midwinter (1929-2017), Canadian ambassador and former inspector general of the foreign service
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Eric Midwinter (born 1932), British educator and writer
{{surname, Midwinter
English-language surnames
Surnames of English origin