A
- Zara Fatima Abdurahaman
- Mahshid Abir
- Andrea M. Abler
- Lisa Abraham
- Joie D. Acosta
- Avery Adams
- Christopher Scott Adams
- David M. Adamson
- Denis Agniel
- Jair Aguirre
- Sangeeta C. Ahluwalia
- Mohammad Ahmadi
- Hamad Al-Ibrahim
- Marwa AlFakhri
- Rahim Ali
- Brien Alkire
- Gabriela Alvarado
- Giovanni Amodeo
- Katherine Anania
- James M. Anderson
- Graham Andrews
- Cecilia Ang
- Sarah Angell
- C. Ross Anthony
- Shamena Anwar
- Naoko Aoki
- Eric Apaydin
- Ismael Arciniegas Rueda
- Charles P. Armentrout
- Philip Armour
- Beth J. Asch
- J. Scott Ashwood
- Thomas F. Atkin
- Samer Atshan
- Catherine H. Augustine
- John A. Ausink
- Mary Avriette
- Jalal Awan
- Lynsay Ayer