WTNZ (channel 43) is a television station in Knoxville, Tennessee, United States, affiliated with the Fox network. It is owned by Lockwood Broadcast Group alongside independent station WKNX-TV (channel 7). Both stations share studios on Executive Park Drive (along I-75/I-40) in Knoxville's Green Valley section, while WTNZ's transmitter is located on Sharp's Ridge in North Knoxville.