| Acronym | Definition |
|---|
| NWAA➣North West Air Ambulance (Knowsley, Merseyside, England, UK) |
| NWAA➣Northwest Aerospace Alliance (UK) |
| NWAA➣National Wheelchair Athletic Association |
| NWAA➣Nuclear Weapons Abolition Alliance (international organization) |
| NWAA➣National Women's Athletic Association |
| NWAA➣Northwest Arkansas Aquatics (Bentonville, AR) |