- Arpan Rijal
- Artem Timoshenko
- Arthur A. Brown
- Arthur C. Hsu
- Arthur Delarue
- Arthur F. Veinott, Jr.
- Arthur Hong
- Arthur M. Geoffrion
- Arthur T. Benjamin
- Arturo Crespo
- Arturo Estrada Rodriguez
- Arturo Palacios Brun
- Arun Gopalakrishnan
- Arun Rai
- Arvind Karunakaran
- Arvind Kumar
- Aryeh H. Samuel
- Asa Palley
- Asheque Rahman
- Ashesh Sinha
