Guðjón Þórðarson, known in the United Kingdom as Gudjon Thordarson, is an Icelandic football manager and former player. He has previously been manager of Iceland, Icelandic clubs ÍA, KA, KR, Keflavík, BÍ/Bolungarvík and Grindavík, English clubs Notts County, Stoke City, Barnsley and Crewe Alexandra, Norwegian club Start and Faroese club NSÍ Runavík. Wikipedia