| adoptief | adoptive |
| Adoptiefkeizers | Five Good Emperors |
| adoratie | worship |
| adoreren | adore |
| Adorf | Adorf |
| Adour | Adour |
| adpositie | adposition |
| ADR | European Agreement concerning the International Carriage of Dangerous Goods by Road |
| ADR gevarenklassen en Labels | UN number |
| Adrak | God |
| Adrar | Adrar Province |
| Adrastea | Adrastea |
| adrenaline | adrenalin |
| adrenalitis | adrenalitis |
| Adrenogenitaal syndroom | Congenital adrenal hyperplasia |
| adres | address |
| adresbalk | address bar |
| adresband | wrapper |
| adresboek | directory |
| adreslijst | mailing list |
| adressant | petitioner |
| adresseermachine | addressograph |
| adressenlijst | mailing list |
| adresseren | address |
| Adri van Tiggelen | Adri van Tiggelen |
| Adria Airways | Adria Airways |
| Adriaan | Adrian |
| Adriaan Fokker | Adriaan Fokker |
| Adriaan Metius | Metius |
| Adriaan van de Velde | Adriaen van de Velde |
| Adriaan Willaert | Adrian Willaert |
| Adriaen Brouwer | Adriaen Brouwer |
| Adriaen de Vries | Adriaen de Vries |
| Adriaen Valerius | Adrianus Valerius |
| Adriaen van Ostade | Adriaen van Ostade |
| Adrian | Adrian |
| Adrian Edmondson | Adrian Edmondson |
| Adrian Mutu | Adrian Mutu |
| Adrian Năstase | Adrian Năstase |
| Adrian Smith | Adrian Smith |
| Adrian Sutil | Adrian Sutil |
| Adriana Lima | Adriana Lima |
| Adriana Málková | Adriana Málková |
| Adriano Banchieri | Adriano Banchieri |
| Adriano Celentano | Adriano Celentano |
| Adriano Correia Claro | Adriano Correia Claro |
| Adriano Duarte | Adriano Duarte Mansur da Silva |
| Adriano Emperado | Adriano Directo Emperado |
| Adriano Leite Ribeiro | Adriano Leite Ribeiro |
| Adrianopel | Adrianople |
| Adrianus | Adrian and Natalia of Nicomedia |
| Adrianus Petit Coclico | Adrianus Petit Coclico |
| Adrianus Simonis | Adrianus Johannes Simonis |
| Adriatische Plaat | Apulian Plate |
| Adriatische Zee | Adriatic Sea |
| Adrie Koster | Adrie Koster |
| Adrie van der Poel | Adri van der Poel |
| Adrien Brody | Adrien Brody |
| Adrien de Gerlache | Adrien de Gerlache |
| Adrien François Servais | Adrien-François Servais |
| Adrien Henri Laurent de Jussieu | Adrien-Henri de Jussieu |
| Adrien Lachenal | Adrien Lachenal |
| Adrien-Marie Legendre | Adrien-Marie Legendre |
| Adrián Annus | Adrián Annus |
| Adrián López | Adrián López Álvarez |
| Adrogatio | Adoption in ancient Rome |
| Adsorptie | Adsorption |
| adspirant | candidate |
| adspirante | candidate |
| adstringerend | astringent |
| adstructie | token |
| Aduard | Aduard |
| Aduatici | Aduatuci |
