Sergio Díaz may refer to:
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Sergio Díaz (footballer, born 1956), Argentine football forward
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Sergio Díaz (footballer, born 1985), Spanish football defender
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Sergio Díaz (footballer, born 1991), Spanish football defender
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Sergio Díaz (footballer, born 1998), Paraguayan football forward
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Sergio Díaz (sound editor) (born 1969), Mexican sound editor
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Sergio Díaz-Granados Guida (born 1968), Colombian politician
{{hndis, Díaz, Sergio