| Acronym | Definition |
|---|
| ICCA | Institut Canadien des Comptables Agréés |
| ICCA | International Congress and Convention Association (Amsterdam, NL) |
| ICCA | International Council of Chemical Associations |
| ICCA | Independent Computer Consultants Association |
| ICCA | International Council for Commercial Arbitration |
| ICCA | International Championship of Collegiate A Cappella |
| ICCA | International Community Corrections Association |
| ICCA | International Corrugated Case Association |
| ICCA | International Computer Chess Association |
| ICCA | International Conference on Control and Automation |
| ICCA | Internet Commerce Corporation (stock symbol) |
| ICCA | International Conference on Conversation Analysis |
| ICCA | International Center for Corporate Accountability (New York, NY) |
| ICCA | Iowa Children's Choice Award |
| ICCA | International Conference on Computer Applications |
| ICCA | International Conference and Convention Association |
| ICCA | Illinois Cheerleading Coaches Association |
| ICCA | International Correspondence of Corkscrew Addicts |
| ICCA | International Cocoa Agreement |
| ICCA | Infantile Convulsions and Choreoathetosis |
| ICCA | International Chemistry Conference in Africa |
| ICCA | Irish Correspondence Chess Association |
| ICCA | International Cruise Council of Australia |
| ICCA | International Caribbean Carnival Association |
| ICCA | International Cleaning Companies Association |
| ICCA | International Calcite Collectors Association |
| ICCA | International Center for Contemporary Arts |
| ICCA | Institute for the Church and Community Arts |
| ICCA | Illinois Chess Coaches Association |
| ICCA | Illinois' Child Care Association |
| ICCA | Institute of Canadian Certified Auctioneers |
| ICCA | International Chemical Council Association |
| ICCA | Instituto Cultural Colombo-Aleman |
| ICCA | International Cabin Crew Association |
| ICCA | Iranian Canadian Cultural Association (West Vancouver, BC, Canada) |
| ICCA | Internal Conference on Computer Architecture |
| ICCA | International Combat Camera Association, Inc. |
| ICCA | Iranian Cultural Community of Austin (Texas) |
| ICCA | International Certified Crop Advisors |
| ICCA | Investment Casting Cooperative Arrangement |
| ICCA | Instituto Para La Conservacion Y Capacitacion Ambiental (Spanish: Institute for Conservation and Environmental Training; Ecuador) |
| ICCA | International Convention Center Association |
| ICCA | Investigación Clínica Controlada Aleatorizada |
| ICCA | Initial Cash Clothing Allowance |
| ICCA | International Community Collage of Antalya (Antalya, Turkey) |
| ICCA | Inter Campus Cost Allocation |
| ICCA | Illinois Commerce and Community Affairs |
| ICCA | Insurance Commercial Collectors Association |
| ICCA | Instituto de Crédito de las Cajas de Ahorros (Spanish) |
| ICCA | Improved Conventional Cannon Ammunition |
| ICCA | Interface Cabinet Control Area |
| ICCA | Initial Civilian Cash Clothing Allowance (US Marine Corps) |
| ICCA | International Commission for Combating Anti-Semitism |
| ICCA | InterCommerce Consulting Associates Ltd. (UK) |
| ICCA | Istanbul Customs Consultants Association (Istanbul, Turkey) |
| ICCA | Inter-Parliamentary Coalition for Combating Anti-Semitism |
| ICCA | Instituto Cultural Cravo Albin (Portuguese: Cravo Albin Cultural Institute; Brazil) |