Sergio Valdés (born 17 September 1978) is a Chilean rugby union footballer.

He moved to France, where he has been playing for Stade Aurillacois, Racing Métro 92 (2005-2007), FC Auch (2007-2011), Section Paloise (2011-2013) and SU Agen since 2013.

Valdes is an international player for Chile.

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