| Klub | Liga | Kota | Didirikan | Kandang |
|---|---|---|---|---|
| Gad Etna Catania | — | — | — | — |
| Geas Basket | — | Sesto San Giovanni | 1955 | — |
| Giants Basket Marghera | — | Venesia | — | — |
| Giuseppe Rescifina Messina | — | — | — | — |
| Golden State Warriors | National Basketball Association | San Francisco | 1946 | Arena Philadelphia, SAP Center, Philadelphia Convention Hall and Civic Center, Cow Palace, Oakland Arena, War Memorial Gymnasium, Bill Graham Civic Auditorium, Chase Center |
| Green Bay Packers | Liga Nasional Sepak bola Amerika | — | 1919 | Lambeau Field |
| Grifone Catania | — | Catania | — | — |
| Gruppo Sportivo Bernocchi | Lega Basket Femminile | Legnano | 1945 | — |
| Gruppo Universitario Fascista Agrigento | — | Agrigento | — | — |
| GSD Porto Torres | — | Porto Torres | 1996 | — |
| Guardia Republicana | Copa Perú | — | 1981 | Stadion Nasional Peru |