| Acronym | Definition |
|---|
| ILCA | International Lactation Consultant Association |
| ILCA | Independent Living Centres Australia |
| ILCA | International Labor Communications Association |
| ILCA | International Laser Class Association |
| ILCA | International Livestock Center for Africa (merged with ILRAD to form ILRI) |
| ILCA | International Liver Cancer Association |
| ILCA | Illinois Landscape Contractors Association |
| ILCA | Instituto de Lengua y Cultura Aymara (Spanish: Institute of Aymara Language and Culture; Bolivia; est. 1972) |
| ILCA | Interest Lands Conservation Act (Alaska) |
| ILCA | International Lightning Class Association |
| ILCA | Insurance Loss Control Association |
| ILCA | Institute of Legal Cashiers and Administrators (UK) |
| ILCA | Integrated Lower Control Actuator (CH-47 helicoper) |
| ILCA | Indian Land Consolidation Act of 1983 |
| ILCA | International Living Craft Association |
| ILCA | International Centre for Africa |
| ILCA | Independent Living Center of Amsterdam, Inc. |
| ILCA | Illinois Land Cover Atlas |
| ILCA | Institute for Life Course and Aging (University of Toronto; Canada) |