Aristeidis ("Aris") Grigoriadis (Greek: Άρης Γρηγοριάδης) (born 6 December 1985) is a Greek swimmer from Thessaloniki.
Grigoriadis was the first Greek swimmer to be crowned world champion in the 50 m backstroke event of the 2005 World Championships in Montreal. At the European Championships of Eindhoven in 2008, he won two medals: the gold in 50 m backstroke and the silver in 100 m backstroke.
Kubatko, Justin. "Aristeidis Grigoriadis Biography and Olympic Results". Olympics at Sports-Reference.com. Sports Reference LLC. Retrieved 17 May 2010.
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