| Acronym | Meaning |
| CPR | Canadian Pacific Railway - CardioPulmonary Resuscitation |
| SATB | Soprano Alto Tenor Bass |
| URD | Urdu Language (ISO 639-2 Code) |
| ITTO | International Tropical Timber Organization |
| BBL | Be Back Later - Bird Banding Laboratory - British Basketball League |
| JSF | Joint Strike Fighter |
| YN | Yottanewton |
| BHS | British Home Stores |
| PK | Picokelvin |
| BP | Battle Position - British Petroleum (today |