| Abbreviation | Definition |
|---|---|
| PRAP | Pacbitun Regional Archaeology Project |
| PRAP | Pylos Regional Archaeological Project |
| PZX | Puesto Zuniga Archeological discovery |
| QSAP | Qatar Sudan Archaeological Project |
| RAAD | Remote Access to Archaeological Data |
| RAAD | Remote Access to Archaeological Date |
| RACF | Revue archéologique du Centre de la France |
| RAE | Revue Archéologique de l'Est (French: Archaeological Review of the East; journal) |
| RCBP | Radio Carbon years Before Present |
| RGTC | Repertoire Geographique des Textes Cuneiformes |
| RLA | Research Laboratories of Archaeology |
| RPA | Register of Professional Archaeologists |
| SAA | Society of American Archaeology |
| SAAF | Structural Archaeological Assessment Form |
| SAAME | South American Archaeology Meeting at Exeter |
| SAC | Sussex Archaeological Collection |
| SARS | Sudan Archaeological Research Society |
| SARU | Spatial Archaeology Research Unit |
| SASSA | Soil Analysis Support System for Archaeologists |
| SCA | Society for California Archaeology |