Ólafur Þórðarson (Icelandic pronunciation: [ˈoulavʏr̥ˈθourðarsɔn̥]; born 22 August 1965) is an Icelandic former footballer, who played as a midfielder. Ólafur is the former coach of Vikingur Reykjavik. He is the brother of Teitur Thordarson, former manager of Estonia when Ólafur played against them with Iceland in 1996.