Whad'Ya Know? is an American comedy, interview, and quiz radio show. Hosted by Michael Feldman, it was created in 1985.
It is produced by Wisconsin Public Radio and distributed weekly by Public Radio International. Feldman is accompanied on-stage by Lyle Anderson, phone-answerer; and the Whad'ya Know Trio with John Thulin on piano, Jeff Hamann on bass, and, on road shows, Clyde Stubblefield on drums.