- Roger Dear
- Roger H. Westermeyer
- Roger J-B Wets
- Roger Lederman
- Roger Lezhou Zhan
- Roger W. Baugher
- Rohan Kulkarni
- Rohan Mirchandani
- Rohan Nanaware
- Rohan Raghavan
- Rohit Arora
- Roland T. Rust
- Rolf H. Mohring
- Rolf N. van Lieshout
- Romain Deguest
- Roman Kapuscinski
- Roman Mennicken
- Roman Slowinski
- Ron Berman
- Ron S. Dembo
