G
- Aulus Gabinius - two; tribune and consul
- Gaius Julius Caesar Germanicus (Caligula) - emperor
- Gaius - jurist
- Gaius Sulpicius Galba - two; official, grandfather of emperor
- Servius Sulpicius Galba - three; consul, praetor, emperor
- Publius Sulpicius Galba Maximus - consul
- Gaius Galerius Valerius Maximinianus (Galerius) - emperor
- Galerius Trachalus - orator
- Publius Licinius Egnatius Gallienus (Gallienus) - emperor
- Lucius Iunius Gallio Annaeanus - consul
- Aelius Gallus - official
- Appius Annius Trebonius Gallus - consul of 108
- Appius Annius Trebonius Gallus - consul of 139
- Gaius Asinius Gallus - consul
- Gaius Cornelius Gallus - poet and general
- Aulus Didius Gallus - consul
- Gaius Lucretius Gallus - praetor
- Gaius Sulpicius Gallus - astronomer and consul
- Gallus Caesar - ruled in Antioch
- Quintus Gargilius Martialis - writer
- Gavius Bassus - writer
- Gavius Silo - orator
- Aulus Gellius - writer
- Gnaeus Gellius - annalist
- Lucius Gellius Publicola - consul
- Geminus - writer
- Lucius Genucius - tribune
- Germanicus - general, father of Caligula
- Gessius Florus - procurator in Judea
- Hosidius Geta - writer
- Gnaeus Hosidius Geta - suffect consul
- Publius Septimius Geta (Geta) - emperor
- Manius Acilius Glabrio - four
- Gaius Servilius Glaucia - praetor
- Glitius Atilius Agricola - general of Trajan
- Marcus Antonius Gnipho - scholar
- Marcus Antonius Gordianus - three emperors
- Gaius Sempronius Gracchus - 2nd century BC politician
- Tiberius Sempronius Gracchus - three politicians
- Julius Graecinus - praetor
- Granius Licinianus - writer
- Flavius Gratian - emperor
- Grattius - poet
- Grillius - grammarian
Read more about this topic: List Of Ancient Romans