ZOS
ZOS is an abbreviation for:
- The Canadian series Zone of Separation
- Central property protection Berlin
- the name of an operating system for IBM mainframes, see Z / OS
- Goal setting and orientation seminar for choosing a course and career
- Target object search - the name for a discipline in dog sports, see target object search
- Center for Eastern European Studies at the Christian Albrechts University in Kiel
- Tram Zurich – Oerlikon – Seebach , former tram company in Switzerland
- Osorno airport in Chile according to the IATA airport code