Þórður is a given name. Notable people with the name include:
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Þórður Friðjónsson (Thordur Fridjonsson), Vice President of Iceland Stock Exchange and President of NASDAQ OMX Iceland
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Þórður Guðjónsson, (Thordur Gudjonsson), (born 1973), footballer
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Þórður Helgason (born 1947), writer and educator
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Þórður kakali Sighvatsson (died 1256), 13th century chieftain during the Age of the Sturlungs
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Þórður Þórðarson (1930–2002), footballer
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Þórður Þórðarson (born 1972), footballer
{{DEFAULTSORT:Thordur
Icelandic masculine given names