- Aqueelah Cowan
- Arab Program of Human Rights Activists
- Arame Fal
- Arame Tall
- Aran Valente
- Arap Rotich
- Archbishop Desmond Tutu Fellows
- Archbishop Njongo Ndungane
- Ardiel Soeker and Kailash Bhana
- Arianna Lissoni
- Arid Lands Institute
- Ariel Salleh
- Arielle Wisotsky, David and Eric Messinger
- Arlene Eisen
- Arlene Eisen and Kali Akuno
- Arlette Afagbegee
- Armando Lona
- Armando Nenane
- Armelle Choplin
- Arminio Savioli
- Arnaud Bébien
- Arnaud Chaltin
- Arno Kopecky
- Arnold August
- Arnold Minors
- Arnold Wehmhoerner
- Arry Organisation
- Arsene Tungali
- Arshad M Khan
- Arshad M. Khan