Sankt Wendel is a town in northeastern Saarland. It is situated on the river Blies 36 km northeast of Saarbrücken, the capital of Saarland, and is named after Saint Wendelin of Trier. According to a survey by the German Association for Housing, Town Planning and Land Use Regulation, St. Wendel is known to be one of the wealthiest regions in Germany, behind Starnberg in Bavaria.

Saint Wendelin of Trier was a hermit and abbot. Although not listed in the Roman Martyrology, his cultus is wide-spread in German-speaking areas. He is a patron of country folk and herdsmen. He is honored on October 22.