KZ, K-Z, Kz, or kz may refer to:
The Kzinti (singular Kzin) are a fictional, very warlike and bloodthirsty race of cat-like aliens in Larry Niven's Known Space series.
Kristine Zhenie Lobrigas Tandingan (born March 11, 1992), mononymously known as KZ, is a Filipino singer.
KZJO, virtual channel 22 (UHF digital channel 25), is a MyNetworkTV-affiliated television station licensed to Seattle, Washington, United States and also serving Tacoma.
KZJK (104.1 MHz) is a commercial FM radio station licensed to St. Louis Park, Minnesota, and serving the Minneapolis-St.
KZMJ (94.5 FM, Majic 94.5) is a radio station serving the Dallas–Fort Worth metroplex in Texas. The station airs an urban adult contemporary format.
KZZP (104.7 MHz, "'104-7 KISS FM"') is a commercial FM radio station licensed to Mesa, Arizona, and serving the Phoenix metropolitan area.
KZEP-FM (104.5 FM) is a Spanish CHR radio station broadcasting in and around San Antonio, Texas, United States.
KZZU-FM (92.9 MHz 92.9 ZZU) is a commercial FM radio station in Spokane, Washington. The station airs an Adult Top 40 radio format which the station describes as "Today's Modern Hit Music".