Different meanings of ITI include:
- Indian Telephone Industries Limited
- The Institute of Translation & Interpreting, which is a professional association representing translators and interpreters in the United Kingdom.
- International Technology Institute, a software technology company based out of Burke, Virginia, United States
- Information Technology Industry Council, a U.S. trade association/lobby group previously known as Computer and Business Equipment Association (CBEMA), which also sponsors the International Committee for Information Technology Standards
- ITI Group, a major media group in Poland, listed on the Luxembourg stock exchange
- Industrial training institute ( ITI ) of India. They provide technical training to people.
- International Trachoma Initiative, non-profit organization.
- Is This It, the debut album by American rock band The Strokes
- Tāme Iti a New Zealand activist.
- The Information Trust Institute (ITI), an interdisciplinary research institute at the University of Illinois at Urbana-Champaign that focuses on information security.
- The Information Technology Institute a post graduate career pushing institute in Egypt.
- The International Theatre Institute (ITI)
- Inter-trial interval, the time lapse between two successive trials in an experiment.