| Acronym | Definition |
|---|
| ITCA | International Topper Class Association (sailing) |
| ITCA | International Travel Catering Association |
| ITCA | International Teleconferencing Association |
| ITCA | Irish Terrier Club of America |
| ITCA | International Triennale of Contemporary Art (Prague, Czech Republic) |
| ITCA | Independent Television Companies Association |
| ITCA | Information Technology Compliance Association (Netherlands) |
| ITCA | International Technical Caramel Association |
| ITCA | IT (Information Technology) Coordinators Association (Japan) |
| ITCA | Invest to Compete Alliance |
| ITCA | Independent Television Contractors Association |