| Acronym | Meaning |
| DH | Dear Husband (increasingly Prevalent On Social Mailing Lists |
| AOA | Argonne National Laboratory -Angolan Kwanza (ISO 4217 Currency Code) -Award Of Arms (heraldry) |
| DHHS | (U.S.) Department Of Health And Human Services |
| BDA | British Dental Association |
| DIS | Defence Intelligence Staff - (U.S.) Defense Investigative Service - Distributed Interactive Simulation - Draft International Standard (ISO) |
| OM | Oromo Language (ISO 639-1 Code) |
| ISAF | International Sailing Federation - International Security Assistance Force |
| MNG | Mongolia (ISO 3166 Trigram) |
| MMU | Manchester Metropolitan University -Manned Manoeuvring Unit |
| NQOCD | Not Quite Our Class |