| Abbreviation | Definition |
|---|---|
| ISW | Institute for Sexual Wholeness |
| ISW | Institute for Study of War |
| ISW | Institute for Study of Waw |
| ISW | Institute for the Study of War |
| ISWB | Institute of subjective well being |
| ISWE | Institute for the Study of Welsh Estates |
| ITA | Institute for Technology Advancement |
| ITA | Institute for Transnational Arbitration |
| ITAMS | Institute for Transnational and Maritime Security |
| ITBD | Institute for Technology and Business Development |
| ITBD | Institute of Technology Business Development |
| ITBT | Institute Tingang Borneo Teater |
| ITC | Institute for Theory and Computation |
| ITC | Institute of Technology at Central |
| ITCD | Institute for Trade and Commercial Diplomacy |
| ITCI | International Trade Compliance Institute |
| ITCM | Institute of Theology and Christian Ministry |
| ITCSA | Institute for Timber Construction South Africa |
| ITCSA | Institute of Technical Communicators of Southern Africa |
| ITD | Institute for Transmedia Design |