| NSEF | Nanoscale Science & Engineering Forum 
| Others |
| NSEF | Nanoscale Science and Engineering Forum
| Others |
| NSEF | Nanoscale Science Engineering Forum
| Others |
| NSEF | National Scholarly Editors Forum
| Others |
| NSEF | National Social Entrepreneurship Forum
| Others |
| NSEF | Natoma Station Education Foundation
| Others |
| NSEF | New Society Educational Foundation
| Others |
| NSEF | Nonlinear State Error Feedback
| Others |
| NSEF | North Stonington Education Foundation
| Others |
| NSEF | North Syracuse Education Foundation
| Others |
| NSEF | Norwalk Student Education Foundation
| Others |
| NSEF | Nova Scotia Equalization Fairness
| Others |
| NSEF | Nova Scotia Equestrian Federation
| Others |
| NSEF | Nova Scotians for Equalization Fairness
| Others |