OCS
# OCS

OCS or Ocs may refer to:

## Places

* Öcs, a village in Veszprém county, Hungary
* Outer Continental Shelf, a maritime federal land zone beyond the jurisdiction of the United States

## Music

* Ocean Colour Scene, an English rock group
* Thee Oh Sees, an American experimental rock band

## Psychiatry and medicine

* Obsessive-compulsive syndrome or obsessive-compulsive disorder, a psychiatric anxiety disorder
* Ontario Cannabis Store
* Oral corticosteroid

## Science and technology

* Open Collaboration Services, for integration of web services and communities into desktop and mobile applications, an open and vendor-independent API
* Office of the Chief Scientist (Australia), a part of Department of Innovation, Industry, Science and Research
* Original Chip Set, used in the earliest Commodore Amiga computers
* Carbonyl sulfide, a chemical compound with the formula OCS
* Microsoft Office Communications Server, a software product
* OCS Inventory (Open Computer and Software Inventory), an application which inventories IT assets
* Online charging system, a system allowing providers of communication services to charge customers based on service usage
* Overhead contact system, a system which provides electric power to trains

## Schools and alumni associations

* Officer candidate school, a training establishment in many countries where military officers are trained
* Oklahoma Christian School
* Old Cliftonian Society, the society for the alumni of Clifton College, Bristol, England
* Opelika City Schools, a school district headquartered in Opelika, Alabama, United States
* Senator O'Connor College School in Toronto, Ontario, Canada

## Other uses

* Corisco International Airport, IATA airport code "OCS"
* Federation of Old Cornwall Societies or sometimes OCS, a Cornish history charity
* OCS (TV channel), a group of French pay television networks dedicated to films and series operated by Orange S.A.
* Old Church Slavonic, a Slavic language which developed in the 9th century
* Office of Community Services, a US Federal Government agency
* On course side, a term meaning that a sailboat has crossed the start line of a race early
* Operational Combat Series, a game series from The Gamers and Multi-Man Publishing
