- Gérard P. Cachon
- Gerard P. Cornuejols
- Geri Dimas
- German Riano
- Gerrit Schumacher
- Gerry Tsoukalas
- Gert-Jaap Polinder
- Gert-Jan de Vreede
- Getty Oil Company
- Giacomo Lanzani
- Giacomo Zambelli
- Giampaolo Orrigo
- Gian-Gabriel P. Garcia
- Gianmarco Andreana
- Gianpaolo Ghiani
- Gigi Yuen
- Gilbert Laporte
- Gilberto Montibeller
- Gilberto Morales Zamora
- Gilles Schaeffer
