A
- Hafsat Abiola, Nigerian political activist; winner, 1999 Women to Watch award, Association of Women's Development (graduated 1992)
- Jonathan Alter, Senior Editor and Columnist, Newsweek magazine, (graduated 1975)
- Julia Alvarez, author (graduated Abbot 1967)
- Adelbert Ames, Jr., scientist
- Carl Andre, minimalist artist (graduated 1953)
- Ernie Adams, Director of Football Research, New England Patriots (graduated 1971)
- Chris Agee, (graduated 1974) poet, essayist and editor living in Ireland
Read more about this topic: List Of Phillips Academy Alumni