PCOS (disambiguation)
# PCOS (disambiguation)

Polycystic ovary syndrome, or PCOS, is the endocrine disorder.

PCOS or variation, may also refer to:

## Biology and medicine

* Palliative Care Outcome Scale, a pain scale

## Computer operating systems

* PC OS, the operating system for a personal computer
* PC/OS, or Black Lab Linux, a Linux distribution
* Olivetti's PCOS, such as on the Olivetti M20

## Other meanings

* Comunitarian Party Option Seven (Spanish: Partido Comunitario Opción Siete), a political party in Colombia
* Precinct count optical scan machine used in vote counting in the Philippines
* Philharmonic Chamber Orchestra Society, now The Philharmonic Orchestra, Singapore
