ITU can mean:

• Istanbul Technical University
• International Telecommunication Union, formerly known as the International Telegraph Union.
• International Typographical Union, a now defunct labor union that was affiliated with the Congress of Industrial Organizations.
• International Triathlon Union
• IT University of Copenhagen
• Institute for Transuranium Elements

International Telecommunications Union

• In the United Kingdom, it refers to Intensive Treatment Unit, popularly known as intensive care unit (ICU).

ITU (Begriffsklärung)