| DIAC | Defense Intelligence Analysis Center 
| Others |
| DIAC | Delaware Information and Analysis Center
| Others |
| DIAC | Delft Intelligent Assembly Cell
| Others |
| DIAC | Dental Industry Association of Canada
| Others |
| DIAC | Department of Immigration and Citizenship
| Others |
| DIAC | Design Industry Advisory Committee
| Others |
| DIAC | Diffusion Industrielle Automobile et Agricole Cherifienne
| Others |
| DIAC | Diffusion Industrielle et Automobile Par le Credit
| Others |
| DIAC | Directions and Implications of Advanced Computing
| Others |
| DIAC | Directions in Authenticated Ciphers
| Others |
| DIAC | Disability Information and Advice Centre
| Others |
| DIAC | Diversity and Inclusion Action Coalition
| Others |
| DIAC | Dubai International Academic City
| Others |
| DIAC | Dubai International Aquatic Championships
| Others |
| DIAC | Dubai International Arbitration Centre
| Others |
| DIAC | Durham Integrated Arts Camp
| Others |
| DIAC | Dynamic Ignition Advance Control
| Others |