| Date | Person | Description |
|---|---|---|
| 1787 – 1790 | Abramsperg, Antoni | Teacher of architecture in Mstsislaw |
| 1783 | Abramsperg, Antoni | Teacher of mathematics, French, German in Mstsislaw |
| 1784 – 1785 | Abramsperg, Antoni | Teacher of mathematics, French, German in Vitebsk |
| 1785 – 1786 | Abramsperg, Antoni | Teacher of mathematics, French, German in Daugavpils |
| de Abreu, Sebastião | Occupied himself with philosophy, moral theology in Évora | |
| Adányi, András | Occupied himself with polemic theology, canon law, moral philosophy, scripture in Trnava | |
| Agosti, Joseph | Teacher of moral theology in Fidenza | |
| d'Aix, François | Occupied himself with mathematics, astronomy | |
| de Almeida, José Bernardo | Occupied himself with mathematics, astronomy, astronomical observations, medicine, pharmaceutics | |
| Ambrogi, Antonio Maria | Teacher of rhetoric, poetics in Rome | |
| von Ambschell, Anton | Teacher of physics, mechanics in Vienna | |
| 1750 – 1793 | Amiot, Jean Joseph-Marie | Occupied himself with astronomical observations, magnetism in China |
| 1711 – 1727 | Andrian, Karl | Occupied himself with philosophy, mathematics, canon law, cases of conscience in Trnava, Graz, Linz, Klagenfurt, Gorizia, Buda |
| Angiolini, Gaetano |
Studied theology, architecture, painting in Verona
After 1773 |
|
| 1786 – 1796 | Angiolini, Gaetano | Teacher of French in Vitebsk |
| 1797 – 1801 | Angiolini, Gaetano | Teacher of architecture in Vitebsk |
| von Apfaltern, Leopold | Teacher of mathematics, mechanics in Klagenfurt | |
| Aquino, Jean | Teacher of philosophy, moral theology, scholastic theology in Naples | |
| 1768 – 1769 | Arakiełowicz, Grzegorz | Teacher of moral theology in Kremenets |
| Arakiełowicz, Grzegorz | Occupied himself with physics, astronomy |