Willum Þór Þórsson (born 17 March 1963) is a former football player and manager and politician. Since 2021 he has served as the Icelandic Minister of Health.

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.