GRA
- Garda Representative Association
- Gender Recognition Act 2004
- Genootskap van Regte Afrikaners
- Georgia Research Alliance
- Ghana Revenue Authority
- Gibraltar Regulatory Authority
- Girls Rodeo Association
- Glucocorticoid remediable aldosteronism
- Gobabis Residents' Association
- Granby station
- Grande Raccordo Anulare
- Grantham railway station
- Grey relational analysis
- Greyhound Racing Association
- Vilna Gaon