| acétique | essigsauer |
| acétone | Azeton |
| Acétonitrile | Acetonitril |
| Acétonurie | Acetonurie |
| Acétonémie | Azetonämie |
| Acétyl-coA | Coenzym A |
| Acétyl-coenzyme A | Acetyl-CoA |
| Acétylcholine | Acetylcholin |
| Acétylcystéine | Acetylcystein |
| acétylène | Azetylen |
| AD | AD |
| ad hoc | ad hoc |
| Ad hominem | Argumentum ad hominem |
| Ad maiorem Dei gloriam | In maiorem Ein gloriam |
| ad nauseam | ad nauseam |
| Ad-Aware | Ad-Aware |
| Ad-Dakhla | Dachla |
| Ad-hoc On-demand Distance Vector | Ad-hoc On-demand Distance Vector |
| Ada | Ada |
| Ada Air | Ada Air Albania |
| Ada de Carie | Ada |
| Ada Kaleh | Ada Kaleh |
| Ada Lovelace | Ada Lovelace |
| ADAC | Allgemeiner Deutscher Automobil-Club |
| Adachi | Adachi |
| Adad | Adad |
| adage | Aphorismus |
| adagio | adagio |
| Adagio pour cordes | Adagio for Strings |
| Adaincourt | Adaincourt |
| Adaizan | Adai |
| Adal | Sultanat Adal |
| Adalbert | Adalbert |
| Adalbert de Lorraine | Adalbert |
| Adalbert de Prague | Adalbert von Prag |
| Adalbert Gyrowetz | Adalbert Gyrowetz |
| Adalbert Krüger | Adalbert Krüger |
| Adalberta | Adalberta |
| Adalberto Álvarez y su Son | Adalberto Alvarez y su Son |
| Adalbéron | Adalbero |
| Adalbéron de Laon | Adalbero von Laon |
| Adalbéron de Reims | Adalbero von Reims |
| Adalgis | Adelchis |
| Adalia | Antalya |
| Adaloald | Adaloald |
| Adam | Adam |
| Adam Afzelius | Adam Afzelius |
| Adam Albert de Neipperg | Adam Albert von Neipperg |
| Adam Asnyk | Adam Asnyk |
| Adam Clayton | Adam Clayton |
| Adam Copeland | Adam Copeland |
| Adam Czerniaków | Adam Czerniaków |
| Adam de Brême | Adam von Bremen |
| Adam de la Halle | Adam de la Halle |
| Adam Elsheimer | Adam Elsheimer |
| Adam et Ève | Adam und Eva |
| Adam Ferguson | Adam Ferguson |
| Adam Garcia | Adam Garcia |
| Adam Jerzy Czartoryski | Adam Jerzy Czartoryski |
| Adam Kazimierz Czartoryski | Adam Kazimierz Czartoryski |
| Adam Kozlowiecki | Adam Kozłowiecki |
| Adam Levine | Adam Levine |
| Adam Małysz | Adam Małysz |
| Adam Mickiewicz | Adam Mickiewicz |
| Adam Müller | Adam Heinrich Müller von Nittersdorf |
| Adam Nelson | Adam Nelson |
| Adam Philippe de Custine | Adam-Philippe de Custine |
| Adam Ries | Adam Ries |
| Adam Rodriguez | Adam Rodriguez |
| Adam Sandler | Adam Sandler |
| Adam Smith | Adam Smith |
| Adam Stanisław Naruszewicz | Adam Naruszewicz |
| Adam Stefan Sapieha | Adam Stefan Sapieha |
| Adam von Bartsch | Adam von Bartsch |
| Adam Weishaupt | Adam Weishaupt |
| Adam-lès-Passavant | Adam-lès-Passavant |
| Adam-lès-Vercel | Adam-lès-Vercel |
| Adama | Nazret |
| Adamantios Androutsopoulos | Adamantios Androutsopoulos |
| Adamaoua | Hochland von Adamaua |
| Adamawa | Adamaoua |
| Adamello-Presanella | Adamellogruppe |
| Adamien | Adamit |
| Adamisme | Adamiten |
| Adamite | Adamin |
| Adamites | Adamiten |
| Adams | Adams |
| Adamstown | Adamstown |
| Adamswiller | Adamswiller |
| Adamántios Koraïs | Adamantios Korais |
| Adana | Adana |
| Adana Demirspor K | Adana Demirspor |
| Adanaspor AS SK | Adanaspor |
| Adansi nord | Adansi North District |
| Adansi sud | Adansi South District |
| Adansonia | Affenbrotbäume |
| Adapalène | Adapalen |
| Adapazarı | Adapazarı |
| adaptabilité | Adaptation |
| adaptable | anpassungsfähig |
| adaptateur | Zwischensockel |
| adaptateur graphique | Grafikkarte |
| adaptatif | adaptiv |
| adaptation | Adaptation |
| Adaptation musicale | Orchestration |
| adaptation écologique | biologische Anpassung |
| adaptative | adaptiv |
