WNSN (101.5 MHz) is a commercial FM radio station in South Bend, Indiana.

It is owned by Mid-West Family Broadcasting and airs an adult contemporary radio format known as Sunny 101.5.

Sunny 101.5 carries Delilah's syndicated love songs show in the evening from Premiere Networks.

[4] At first it simulcast the middle of the road (MOR) format of music, news and sports, on its AM counterpart, 960 WSBT.

But on November 2, it announced that Mid-West Family Broadcasting would acquire WNSN and Schurz's other South Bend radio stations for $5.5 million.