WESM (91.3 FM) is a listener-supported public radio station located on the Eastern Shore of Maryland.

The station broadcasts a variety of formats, including jazz, news and information, blues, world, American folk music, and gospel programming.

Licensed to Princess Anne, Maryland, United States, the station is currently owned and operated by the University of Maryland Eastern Shore.

Broadcasting at approximately 50,000 watts, WESM's FM signal covers most of the lower Delmarva Peninsula, including the Eastern Shores of Maryland & Virginia, Sussex County, Delaware, and portions of Southern Maryland & Virginia's Northern Neck.

The station typically holds semi-annual membership drives in the spring and fall to help offset operational costs.