| Acronym | Definition |
|---|
| RAPP | Redundancy Aware Peer to Peer Protocol |
| RAPP | Re-Open Application |
| RAPP | Relatives As Parents Program |
| RAPP | Relatório de Atividades Potencialmente Poluidoras (Portuguese: Potentially Polluting Activities Report; Brazil) |
| RAPP | Rajasthan Atomic Power Project (Canadian-designed nuclear reactor built in Rajasthan state in India in 1960s) |
| RAPP | ROI Analysis of Pharmaceutical Promotion |
| RAPP | Rural AIDS Prevention Project (Gallatin, TN) |
| RAPP | Retirees/Adolescent Partnership Programme (Trinidad & Tobago) |
| RAPP | Registered Air Parcel Post |