CSO
# CSO

CSO or C.S.O. may refer to:

## Occupations

* Chief scientific officer
* Chief Scientist Office of the Scottish government
* Chief security officer
* Chief services officer
* Chief Signal Officer (U.S. Army)
* Chief strategy officer
* Chief sustainability officer
* Combat systems officer (U.S. Air Force)
* Community service officer
* Police community support officer
* Sales manager (chief sales officer)
* Chief of Space Operations, the head of the United States Space Force

## Orchestras

* Canberra Symphony Orchestra
* Canton Symphony Orchestra
* Carmel Symphony Orchestra
* Charleston Symphony Orchestra
* Charlotte Symphony Orchestra
* Chicago Symphony Orchestra
* Christchurch Symphony Orchestra
* Cincinnati Symphony Orchestra
* Colorado Symphony Orchestra
* Columbia Symphony Orchestra
* Columbus Symphony Orchestra

## Organizations

* Bureau of Conflict and Stabilization Operations, at the US Department of State
* Centers for Space Oceanography
* Central Statistical Organisation, India
* Central Statistics Office (Ireland)
* Central Statistics Organization, Afghanistan
* Civil society organization
* Coastal States Organization
* Community Service Organization
* Conference of Solidarity Support Organizations
* Czech Statistical Office

## Other

* Caltech Submillimeter Observatory, Mauna Kea, Hawaii
* Carbonyl sulfide
* CCSO Nameserver
* Colour-separation overlay, an alternative term for chroma key visual processing
* Combined sewer overflow
* Composante Spatiale Optique, a 2019 French spy satellite
* Compulsory stock obligation
* Computer Science Ontology
* Counter-Strike Online, a Free MMOFPS made by Nexon
* CSO Online, an online publication (Computer Security Online)
* Magdeburg–Cochstedt Airport in Saxony Anhalt, Germany (IATA airport code CSO)
