- G4Country: United StatesFounded: April 24, 2002
- GalavisiónCountry: United StatesFounded: 1979
- Gansu TelevisionCountry: People's Republic of ChinaAnimated series: 1
- Global Television NetworkCountry: CanadaFounded: January 6, 1974
- GloobCountry: BrazilAnimated series: 2
- GloobinhoCountry: BrazilFounded: October 17, 2017
- GMA NetworkCountry: PhilippinesFounded: October 29, 1961
- Golden Eagle CartoonCountry: People's Republic of ChinaFounded: October 3, 2004
- Grupo TelevisaCountry: MexicoFounded: January 8, 1973
- GTVCountry: IndonesiaFounded: 2002
- Guangdong TelevisionCountry: People's Republic of ChinaAnimated series: 1
- GulliCountry: FranceFounded: November 18, 2005
- Gunma TelevisionCountry: JapanFounded: February 16, 1970