A
- Byron Adams
- Jonathan Adams
- Samuel Adler
- Leila Adu-Gilmore
- Lee J. Afdahl
- Tamara Albrecht
- Peter Aldins
- Timothy Allen
- Jay Althouse
- Tony Alvaro
- Ephraim Amu
- Tom Andino
- Simon Andrews
- Stephanie K. Andrews
- Timothy Angel
- Ivo Antognini
- Anthony Antolini
- Robert Applebaum
- Giancarlo Aquilanti
- Matthew A. & Shelly Armstrong
- Ronald Arnatt
- Franklin D. Ashdown
- Rick Asher
- Christopher Aspaas
- Michael D. Atwood
- William Averitt