NGA
- BBC Radio 3 New Generation Artists scheme
- Māori language
- National Gallery of Art
- National Gallery of Australia
- National Geospatial-Intelligence Agency
- National Giving Alliance
- National Golf Association
- National Governors Association
- National Governors' Association (UK charity)
- National Graphical Association
- National Greyhound Association
- National Gym Association
- Natural Gas Act
- Next generation access
- Nga (Indic)
- Nga (Javanese)
- Nga (god)
- Nga people
- Nigeria
- Young Airport