Papathanasiou is a Greek family name. People with this name include:Evangelos Odysseas Papathanassiou, better known as Vangelis, musician. Vassiliki Papathanasiou, better known as Vicky Leandros, singer. Leandros Papathanasiou, better known as Leo Leandros, musician. Aspasia Papathanasiou, Greek actress. Andreas Papathanasiou, Cypriot footballer. Yannis Papathanasiou, Greek politician. Aimilios Papathanasiou, Greek sailor.