| Acronym | Definition |
|---|
| NESA➣National Eagle Scout Association (Boy Scouts of America) |
| NESA➣Near East South Asia |
| NESA➣North East Sea Angling (UK) |
| NESA➣National Electronic Security Alliance |
| NESA➣New European Surgical Academy (Berlin, Germany) |
| NESA➣Near East South Asia Council of Overseas Schools |
| NESA➣National Emergency Services Academy |
| NESA➣Near-East South Asia Center for Strategic Studies (Washington, DC) |
| NESA➣National Electric Sign Association (now International Sign Association) |
| NESA➣National Energy Services Association |
| NESA➣New Entity for Social Action (India) |
| NESA➣National Even Start Association (San Diego, CA) |
| NESA➣North East School of the Arts (San Antonio, Texas) |
| NESA➣New England SAAB Association |
| NESA➣North East San Antonio (Texas) |
| NESA➣Northern Enhanced Sounding Array |
| NESA➣Nigerian English Studies Association |
| NESA➣Network Engineering and Security Analyst |
| NESA➣Non-Equilibrium Simulated Annealing |
| NESA➣Nose Equipment Support Assembly (LANTIRN Pod) |