Until 1 January 2007 Rudbjerg was a municipality (Danish, kommune) on the southwest coast of the island of Lolland in the former Storstrøm County, southern Denmark. The municipality covered an area of 143 km², and had a total population of 3,432 (2005). Its last mayor was Tom Larsen, a member of the Venstre (Liberal Party) political party. The main town and the site of its municipal council was Dannemare.