| Acronym | Definition |
|---|
| NRTA | National Retired Teachers Association |
| NRTA | Nantucket Regional Transit Authority (Massachusetts) |
| NRTA | National Retail Tenants Association |
| NRTA | Natural Resources Transfer Agreement (Canada) |
| NRTA | Naval Recruiting and Training Agency (UK MoD) |
| NRTA | Northwest Regional Transmission Association |
| NRTA | National Rural Telecom Association |
| NRTA | National Rat Terrier Association |
| NRTA | near-real-time accountancy |
| NRTA | National Research and Technology Audit |
| NRTA | Northern Real Time Applications |
| NRTA | North Rockland Teachers Association |
| NRTA | National Recreation Trails Act |