| Abbreviation | Definition |
|---|---|
| NSRG | New South Restaurant Group |
| NYAJ | Not Your Average Joe's |
| NYCR | New York Chinese Restaurant |
| OAMC | Once A Month Cooking |
| OCLU | O'charley's learning university |
| OEP | Overhead Equipment Power |
| OER | Operational Excelence Review |
| OF | Olive Fork |
| OFR | Ocean Friendly Restaurants |
| OKRA | Organized Kollaboration on Restaurant Affairs |
| OKRA | Organized Kooperative on Restaurant Affairs |
| OLW | Old London Wasa |
| OPH | Original Pancake House |
| ORLA | Oregon Restaurant and Lodging Association |
| OS&E | Operating Supplies and Equipment |
| OTS | On The Side |
| OWAB | OH What A Bagel |
| PBAR | Peoples Bakery And Restaurant |
| PBRS | Professional Bar Restaurant School |
| PBRS | Professional Business and Restaurant School |