Sixto Soria Savigne (born April 27, 1954 in Santiago de Cuba) is a Cuban boxer, who won the silver medal in the men's Light Heavyweight (81 kg) category at the 1976 Summer Olympics in Montreal.

As the top favourite he lost in a close fight to Leon Spinks of USA.

He lost in the quarter-finals of the 1979 Pan American Games to American Tony Tucker.

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