- Roberto Roberti
- Roberto Szechtman
- Robin Lougee
- Robin O. Roundy
- Robin Qiu
- Rod Case
- Rod Hook
- Rodney A. Hayward
- Rodney Wallace
- Rodolfo Carvajal
- Rodolfo García-Flores
- Rodrigo Acuna Agost
- Rodrigo Belo
- Rodrigo Carrasco
- Rodrigo Moreno
- Roelof Ybema
- Roger Dear
- Roger H. Westermeyer
- Roger J-B Wets
- Roger Lederman
