Ólafur Þórðarson (Icelandic pronunciation: ?['oulav?r?'?ourðars?n?]; 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.