NESI
| Acronym | Definition |
|---|---|
| NESI | Not Elsewhere Specified or Included (food labeling) |
| NESI | Net-Centric Enterprise Solutions for Interoperability |
| NESI | Non-public Educational Services, Inc.(Salem, Massachusetts and Woodbridge, Virginia) |
| NESI | Native English-Speaking Instructors |
| NESI | No one Expects the Spanish Inquisition (Monty Python) |
| NESI | Noise Equivalent Spectral Irradiance |