| Acronym | Definition |
|---|
| EROS | Earth Resources Observation System |
| EROS | Earth Resources Observation Satellite |
| EROS | Event-Related Optical Signal (brain scanning technique) |
| EROS | Extremely Reliable Operating System |
| EROS | Eelam Revolutionary Organization of Students (est. 1975) |
| EROS | Elaboration of Reactions for Organic Synthesis |
| EROS | Electric Resonance Optothermal Spectrometer |
| EROS | Earth Resources Observation and Sciences |
| EROS | Experimental Reflector Orbital Shot |
| EROS | Environment and Radar Operations Simulator |
| EROS | Emergency Restriction Of Speed (UK network rail operated infrastructure) |