| Acronym | Definition |
|---|
| ICSAC | International Conference on Solar Air-Conditioning |
| ICSAC | Iowa College Student Aid Commission (Des Moines, IA) |
| ICSAC | International Council of School Accreditation Commissions |
| ICSAC | Indian Council for South Asian Cooperation |
| ICSAC | Idaho Carbon Sequestration Advisory Committee |
| ICSAC | International Confederation of Societies of Authors and Composers |
| ICSAC | Imperial College Students Administrative Council |
| ICSAC | Information and Communication Systems Advisory Committee |
| ICSAC | Immaculata Catholic School Advisory Committee (Durham, NC) |
| ICSAC | International Computer Software and Applications Conference |
| ICSAC | Intermediate Communications Signals Analysis Course (US DoD) |