IZ
IZ, Iz, or iZ may refer to:
- Arkia (IATA code: IZ), an Israeli airline
 - Immobilien Zeitung, a weekly specialist journal for the German real estate industry
 - Inclusionary zoning, an American term which refers to municipal and county planning ordinances
 - International zone, a type of extraterritoriality governed by international law
 - Invader Zim, an American animated television series
 - Iraq (NATO country code: IZ), a country in Western Asia
 - IZ (YouTuber), a Mongolian YouTuber
 - Israel Kamakawiwoʻole (also called "Bruddah Iz"; 1959–1997), Hawaiian musician, entertainer and Hawaiian sovereignty activist
 - IZ (band), a Korean rock band
 - Iž, an island in the Zadar Archipelago
 - iZ (toy), an electronic musical toy released in September 2005 from Zizzle
 - IZ the Wiz (1958–2009), one of the most prominent graffiti writers of the New York graffiti movement
 - The Trace (film) (Turkish: Iz), a 1994 Turkish thriller film