ITZ

ITZ, Itz, or itz may refer to:
 * Itz, a river of Thuringia and Bavaria, Germany
 * Interfacial transition zone, the area between aggregates and the cement paste in concrete
 * Intrathecal ziconotide, an atypical analgesic agent
 * Itraconazole, an antifungal medication
 * Itzaʼ language's ISO 639-3 code