| Acronym | Meaning |
| EUS | Basque Language (ISO 639-2 Code) |
| NPH | Normal Pressure Hydrocephalus |
| LAN | Local Area Network |
| CFA | Cat Fanciers' Association - Chartered Financial Analyst - Colour Filtering Array - County Fire Authority - Covering Force Area |
| PWA | Pirates With Attitude |
| NETL | (US) National Energy Technology Laboratory |
| ORM | Oromo Language (ISO 639-2 Code) |
| CS | Caesium |
| COS | Corsican Language (ISO 639-2 Code) - Cosine |
| IONA | Islands Of The North Atlantic (alternate Name For Great Britain |