| Acronym | Definition |
|---|
| ADU➣Abu Dhabi University (United Arab Emirates) |
| ADU➣Accessory Dwelling Unit (separate living space) |
| ADU➣Adamson University (Manila, Philippines) |
| ADU➣Application Data Unit |
| ADU➣Ammonium Diuranate |
| ADU➣Advanced Display Unit |
| ADU➣Aironet Desktop Utility |
| ADU➣Anesthesia Delivery Unit (various locations) |
| ADU➣Animal Demography Unit (University of Cape Town; South Africa) |
| ADU➣Affordable Dwelling Unit (various locations) |
| ADU➣Aironet Desktop Utility (Cisco) |
| ADU➣Air Defense Unit |
| ADU➣Automatic Dialing Unit |
| ADU➣Array Diagnostic Utility (Compaq) |
| ADU➣Air Data Unit |
| ADU➣Adapter Unit |
| ADU➣Average Daily Usage |
| ADU➣Aircraft Delivery Unit |
| ADU➣Agence de Développement et d'Urbanisme (French: Development and Planning Agency) |
| ADU➣Analog-to-Digital Unit |
| ADU➣Automatic Duplexing Unit |
| ADU➣Active Duty Unit |
| ADU➣Anti-Doping Unit (International Handball Federation) |
| ADU➣Asynchronous Data Unit |
| ADU➣Afghan Disabled Union (Taimani Kabul, Afghanistan) |
| ADU➣Application Definition Utility |
| ADU➣Azimuth Display Unit |
| ADU➣Audience Deficiency Unit (advertising) |
| ADU➣Appliance Distributors Unlimited, Inc. (est. 1982) |
| ADU➣Auxiliary Display Unit |
| ADU➣Antenna Drive Unit |
| ADU➣Audio Distribution Unit |
| ADU➣Acción Democrática Universitaria (Democratic University Action-Collegiate movement, Guatemala) |
| ADU➣ARTS Data Unit HWCI |
| ADU➣Article Dashboard University |
| ADU➣Angels Dance Upward |
| ADU➣Accumulation & Distribution Unit |
| ADU➣Activity Driver Unit |