- Gabon
- Gaddafi, Mu'ammar Muhammad al
- Gadsden Purchase
- Gage, Thomas
- Gaiseric
- Gaitskell, Hugh Todd Naylor
- galleon
- galley
- Gallic wars
- Gallipoli Campaign
- The Gambia
- Gamelin, Maurice Gustave
- Gandhi, Indira
- Gandhi, Mahatma
- Gandhi, Rajiv
- Gang of Four
- Gao
- Garcia Moreno, Gabriel
- Garcia y IƱigues, Calixto
- Gardiner, Stephen
- Garfield, James Abram
- Garibaldi, Giuseppe
- Garvey, Marcus Moziah
- Gates, Horatio
- GATT
- gaucho
- Gaul
- Gaulle, Charles de
- Gautama Siddhartha
- gavelkind
