| Acronym | Definition |
|---|
| ZAAP➣Z Application Assist Processors |
| ZAAP➣zSeries Application Assist Processor (IBM) |
| ZAAP➣Zakariyan Alumni Association of Physicists (Pakistan) |
| ZAAP➣ZTreeWin Assistant Application Program (software) |
| ZAAP➣Zone Annunciator Alarm Panel (Sprint) |