| ABEL | nórsky matematik (Niels Hendrik, 1802-1829) |
|---|---|
| ABSOLON | český lekár – chirurg (Karel Bedřich, *1926) |
| ABSTINENCIA | odriekanie |
| ACCUM | nemecký chemik (Friedrich Christian, 1769-1838) |
| AĎA | Adriana (dom.) |
| ADA | meno Adriany |
| ADAM | ruský botanik (Johann Friedrich) |
| ADD | Adapter Device Driver |
| ADI | Advanced Driving Instructor |
| ADI | Approved Driving Instructors |