| Acronym | Definition |
|---|
| IDIC | Infinite Diversity in Infinite Combinations |
| IDIC | Isodicentric (chromosomal malformation) |
| IDIC | Instituto de Investigaciones Cientificas (Spanish: Institute for Scientific Research; various locations) |
| IDIC | Infinite Diversity in Infinite Combination |
| IDIC | Identify, Differentiate, Interact, Customize (marketing model) |
| IDIC | International Diving Instructor Corporation |
| IDIC | Indefinite Delivery Indefinite Quantity |
| IDIC | Intelligence Division Indication Center |
| IDIC | IGAD Documentation and Information Centre (Inter-Governmental Authority on Development) |