| Acronym | Meaning |
| UBIGEO | Ubicaci›n Geografica (Spanish For Geographical Location) |
| EI | Ireland (FIPS 10-4 Country Code; From ire) |
| UU | Unitarian Universalism - University Of Utah - Unseen University |
| LK | Sri Lanka (ISO 3166 Digram) |
| UN | United Nations |
| DOW | Died Of Wounds |
| CIA | Cairo International Airport - Central Intelligence Agency - Culinary Institute Of America |
| DSCSOC | DSCS Operations Center |
| CGH | Comparative Genomic Hybridisation |
| APL | A Programming Language - Acute Promyeloid Leukaemia - Anti-Personnel Landmine - Applied Physics Laboratory (Johns Hopkins University) |