Until January 1, 2007, Thyholm was a municipality in the former Ringkjøbing County on the island of Vendsyssel-Thy, a part of the Jutland peninsula in northwest Denmark. The municipality included the island of Jegindø, and it covered an area of 76 km2. It had a total population of 3,577 (2005). Its last mayor was Peter Gade, a member of the Conservative People's Party political party. The main town and the site of its municipal council was the town of Hvidbjerg.