EO
EO is an abbreviation for:
- Earth observation, see Earth observation
- Calibration regulations , the (German) calibration regulations
- Electrical engineering officer on board naval vessels
- Endocrine orbitopathy , inflammatory disease of the eye socket
- Eötvös number (Eo), a key figure in fluid mechanics, see Bond number
- Ermeto, a historical manufacturer and a current name for cutting ring fittings
- Income compensation scheme , Swiss social insurance
- Ethylene oxide , chemical compound
- Evangelical Omroep , Dutch broadcaster
- Execution rules in Austria
- Executive order , decree of an American president or governor
- Executive Outcomes , former private security and military company
- flyCongo , Congolese airline (IATA code)
EO as a distinguishing mark on license plates:
- Great Britain: Chelmsford
eo is an abbreviation for:
- Esperanto , planned language according to ISO 639-1
Eo stands for:
- Eo (river) in Spain
