EROS
# EROS

EROS may refer to:

## Science and technology

* Center for Earth Resources Observation and Science, the US national archive of remotely sensed images of the Earth's land surface
* Encyclopedia of Reagents for Organic Synthesis, containing a description of the use of all reagents in organic chemistry
* Extremely Reliable Operating System, an operating system developed by The EROS Group, the University of Pennsylvania and Johns Hopkins University
* Earth Resources Observation Satellite, a series of Israeli commercial Earth observation satellites
* Event-related optical signal, a brain-scanning signal

## Other uses

* Eelam Revolutionary Organisation of Students, a militant Tamil separatist group in Sri Lanka
* JDT 1650R EROS, a Mini-MAX aircraft
