| Acronym | Definition |
|---|
| O/R➣On Request |
| O/R➣Other Ranks (various locations) |
| O/R➣Outright (foreign exchange transactions) |
| O/R➣Overrated |
| O/R➣Operational Requirement |
| O/R➣Optical Reader (band) |
| O/R➣Originator/Recipient |
| O/R➣Office Routing |
| O/R➣Ofloxacin Plus Rifampin |