| Admiral | Admiral |
| Admiral of the Fleet of the Soviet Union | Admiral ladjevja Sovjetske zveze |
| Admiralty Board | Admiraliteta |
| Adobe AIR | Apollo |
| Adobe Illustrator Artwork | AI |
| Adobe Integrated Runtime | Apollo |
| Adobe Photoshop | Adobe Photoshop |
| Adolescence | Mladostništvo |
| adolescent | mladoletnik |
| Adolf Ehrnrooth | Adolf Ehrnrooth |
| Adolf Galland | Adolf Galland |
| Adolf Hitler | Adolf Hitler |
| Adolf Hurwitz | Adolf Hurwitz |
| Adolf Schärf | Adolf Schärf |
| Adolf von Baeyer | Johann Friedrich Wilhelm Adolf von Baeyer |
| Adolphe Adam | Adolphe-Charles Adam |
| Adolphe Quetelet | Adolphe Quetelet |
| Adolphe Sax | Adolphe Sax |
| Adolphe-Théodore Brongniart | Adolphe Theodore Brongniart |
| adoption | posvojitev |
| Adour | Adour |
| Adrastea | Adrasteja |
| Adrasteia | Adrasteja |
| Adrenal gland | Nadledvični žlezi |
| adrenaline | adrenalin |
| Adrenin | Adrenalin |
| Adrenine | Adrenalin |
| Adria Airways | Adria Airways |
| Adria Airways destinations | Destinacije Adrie Airways |
| Adriaan van den Spiegel | Adriaan van den Spieghel |
| Adriaen van de Velde | Adriaen van de Velde |
| Adrian | Hadrijan |
| Adrian Mikhalchishin | Adrian Mihalčišin |
| Adrian Năstase | Adrian Năstase |
| Adrian Sutil | Adrian Sutil |
| Adrian von Bubenberg | Adrian von Bubenberg |
| Adriano | Hadrijan |
| Adriano Leite Ribeiro | Adriano Leite Ribeiro |
| Adrianople | Odrin |
| Adriatic | Jadransko morje |
| Adriatic Sea | Jadransko morje |
| Adriatic Veneti | Severnojadranski Veneti |
| Adrien-Marie Legendre | Adrien-Marie Legendre |
| adsorption | adsorpcija |
| adult | odrasla oseba |
| adult education | izobraževanje odraslih |
| Advanced language | Visokonivojski jezik |
| Advanced Modular Vehicle | Patria AMV |
