Degersheim is a municipality in Wil in the canton of St. Gallen in Switzerland. Degersheim is first mentioned in 837 as Tegarascai. This name contains the Germanic "tegar", and "asca" meaning "ash tree". Degersheim is on the railway line from St. Gallen to Lucerne, and suburban trains connect it to St. Gallen and Wattwil. The through trains to Lucerne no longer stop in Degersheim, they stop in Wattwil.