- Aartsen, MG31
- Aasi, J1
- Abbasi, R24
- Abbott, BP1
- Abbott, R1
- Abbott, T1
- Abdou, Y12
- Abdou-Ahmed, M1
- Abdou-Ahmed, Marwan1
- Abeln, Andreas1
- Abernathy, MR1
- Abgrall, Michel1
- Abney, Joshua1
- Acernese, F1
- Ackermann, M37
- Ackley, K1
- Acosta, VM5
- Acosta, Victor M6
- Adam, Fabian1
- Adam, Janos1