| Abbreviation | Definition |
|---|---|
| PDCR | Plantation Deli Cafe Restaurant |
| PLWB | Penny Lane Wine Bar |
| PRG | Paesanos Restaurant Group |
| PRG | Panda Restaurant Group |
| PRG | Presidential Restaurant Group |
| PRLA | Pennsylvania Restaurant and Lodging Association |
| PRRW | Puerto Rico Restaurant Week |
| PSHRS | Penn State Hotel Restaurant Society |
| QCH | Quality Chop House |
| QSR | Quick Serve Restaurant |
| QSR | Quick Service Restaurants |
| QSRM | Quick Serve Restaurant Management |
| QTK | Quiktrip Kitchens |
| RACU | Restaurant And Ceramics Universal |
| RAF | Restaurant Advocacy Fund |
| RAI | Restaurants Association of Ireland |
| RAISE | Restaurants Advancing Industry Standards in Employment |
| RANS | Restaurant Association of Nova Scotia |
| RBCB | Red Brick Café Bar |
| RBG | Restaurant Bar Grill |