ESM is an acronym. In a military context, it probably stands for
Electronic Support Measures or Electronic Surveillance Measures.
In other contexts, it could mean
- Early Science and Medicine
- Earth Science Museum
- Eastern Surf Magazine
- Ecole de Management et de Communication Geneve
- Ecole Supérieure de Métrologie
- Election Stock Market
- Electronics Supply & Manufacturing
- Elektrostopanstvo na Makedonija
- Employee Services Management Association
- End System Multicast
- Engineering Science and Mechanics
- Enterprise Security Manager
- Enterprise System Management
- Environmental Science and Management
- Episcopal Senior Ministries
- Ernstige Spraak en Taal Moeilijkheden
- European Satellite Multimedia
- European Simulation Multiconference
- European Society for Microcirculation
- European Sports Magazines
- Extensible System Monitor
- External Security Manager
- External Storage Module
ESM2 can stand for the Ecole Supérieure de Mécanique de Marseille