- Achinstein, Peter1
- Achminow, Herman F.1
- Ackerman, Peter1
- Ackermann, Michael1
- Acković, Dragoljub3
- Acton, H. B.1
- Acton, John Emerich Edward Dalberg Acton1
- Aczél, György2
- Aczél, Tamás6
- Acél, Leó1
- Adam, Jan2
- Adamczyk, Rudolf1
- Adamec, Ludwig W.1
- Adamovich, Anton1
- Adamovich, Georgii1
- Adams, Charles1
- Adams, James Truslow1
- Adams, Jan S.1
- Adams, Julia1
- Adams, T. W.1