| Acronym | Definition |
|---|
| DIAP➣Departamento de Investigação E Acção Penal (Portugese: Department of Investigation and Prosecution) |
| DIAP➣Defense Information Assurance Program |
| DIAP➣Development and Institutional Advancement Program (Association of Theological Schools) |
| DIAP➣Drosophila Inhibitor of Apoptosis Protein |
| DIAP➣Deutsche Internationale Abiturprüfung |
| DIAP➣Democracy in America Project |
| DIAP➣Datascope Improved Ascii Protocol (interface for programmatically retrieving vital signs readings) |
| DIAP➣Data and Information Acquisition Plan (UK) |