KFTZ (103.3 MHz, "Z103") is a Top-40 (CHR) radio station located in Idaho Falls, Idaho. It is licensed, owned and operated by Riverbend Communications. KFTZ has been Southeast Idaho's hot music station since the 80s. In November of 2023, KFTZ and its sister stations launched HD2 channels. KFTZ launched Throwbacks 103 highlighting songs from its history and HD3 is a dance channel playing music from their weekend mixshow.