4WK is an Australian commercial radio station located in Toowoomba, Queensland.

[2] The station is owned by Broadcast Operations Group and is part of the company's Super Radio Network.

[3] During initial discussions in 1930 regarding a radio station at Warwick, it was originally mooted that 4WK would simply be a relay station for the Australian Broadcasting Company's National Broadcasting Service, but the plan never eventuated.

[7] In the 1940s and 1950s, 4WK's programme schedule included recorded religious broadcasts from the United States, such as Music & the Spoken Word (Mormon Tabernacle Choir) and the Baltimore Gospel Tabernacle.

[8] Evening programmes included the Club Show with Jack Davey, Fred and Maggie Go Abroad, and relays of boxing matches.