- Gregory S. Amacher
- Gregory S. Parnell
- Gregory S. Zaric
- Gregory St. Pierre
- Gregory W. Characklis
- Gregory Werker
- Greys Sosic
- Grisel Guerrero
- Grzegorz Swirszcz
- Guadalupe Villarreal
- Guang Lin
- Guanghui Lan
- Guangrui Ma
- Guangwen Kong
- Guangwen Kong
- Guangwu Liu
- Guangying Chen
- Guanzhou Wei
- Guglielmo Lulli
- Guido Lagos