OES
OES or oes may refer to:

Organizations
 Bureau of Oceans and International Environmental and Scientific Affairs, the science bureau within the U.S. Department of State
 Ordo Equitum Solis, a French/Italian alternative music band
 Oregon Episcopal School, a school in Portland, Oregon, US
 Office of Emergency Services, a US governmental agency
 Order of the Eastern Star, a fraternal organisation
 On Every Street, an album by British rock band Dire Straits

Other uses

OES
 Old East Slavic, a language
 Old English Sheepdog, a breed of herding dog often kept as a pet
 Open Enterprise Server, an amalgam of NetWare and Linux
 Occupational Employment Statistics, a US survey
 Optical Emissions Spectrometer, an instrument for testing chemical composition of metals
 Operators of essential services, critical infrastructure definition in the NIS Directive
 Original equipment supplier

Oes
 Oes, the plural for the name of the letter "O"
 Oes, a type of sequin

See also

 
 oe (disambiguation)