Gary Simpson may refer to:
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Gary Simpson (footballer, born 1959), English former footballer; forward for Chesterfield and Chester City amongst others
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Gary Simpson (footballer, born 1961), English former footballer and manager; midfielder for Boston United, Stafford Rangers and Arnold Town amongst others
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Garry Simpson (1914–2011), American director, writer and producer
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F. Gary Simpson, American politician
{{hndis, Simpson, Gary