Willum Þór Þórsson (born 17 March 1963) is a former football player and manager and politician. From 2013 to 2016, he served on the Althing, the Icelandic parliament, for the Progressive Party, and is currently a member of parliament since 2017. He holds a Master's degree in Microeconomics from the University of Copenhagen and used to teach economics at Menntaskólinn í Kópavogi.