Nyborg Municipality (Danish: Nyborg Kommune) is a kommune in the Region of Southern Denmark on the east coast of the island of Funen in central Denmark. The municipality covers an area of 278 km2, and has a total population of 32,262 (2023). It borders Kerteminde Municipality to the north-west, Faaborg-Midtfyn Municipality to the south-west, Svendborg Municipality to the south and is connected to Slagelse Municipality by the Great Belt Bridge. Its mayor is Kenneth Muhs, a member of the Venstre (Liberal Party) political party. The main town and the site of its municipal council is the city of Nyborg.