Radio Star () is a South Korean talk show hosted by Kim Gook-jin, Kim Gu-ra, Yoo Se-yoon and Jang Do-yeon. It airs on MBC on Wednesdays at 10:30(KST). The first episode aired on May 30, 2007, making it one of the longest-running talk shows in the country.
In the ratings below, the highest rating for the show will be in , and the lowest rating for the show will be in each year.