| Acronym | Definition |
|---|
| ICSA➣Institute of Chartered Secretaries and Administrators (London, England, UK) |
| ICSA➣International Computer Security Association |
| ICSA➣International Cultic Studies Association |
| ICSA➣International Customer Service Association |
| ICSA➣Intercollegiate Sailing Association |
| ICSA➣International Community School of Abidjan (Abidjan, Ivory Coast) |
| ICSA➣International Chain Salon Association |
| ICSA➣International Conference on Sustainable Agriculture for Food, Energy and Industry |
| ICSA➣Internet Cellular Smart Access |
| ICSA➣Internet Content Safety Association |
| ICSA➣International Committee Against Apartheid, Racism and Colonialism in Southern Africa (South Africa) |
| ICSA➣Irish Cattle & Sheep Farmers' Association (UK) |
| ICSA➣Inductively-Coupled Slot Antenna |
| ICSA➣Indonesian Customer Satisfaction Awards |
| ICSA➣International Conference on Systolic Arrays |