CIO
CIO stands for:
- Central Intelligence Organisation, Secret Service in Zimbabwe
- Chief Information Officer, responsible for the information and communication management in a company
- Chief Investment Officer, Chief Investment in business
- CIO (Union ), an American industrial workers Trade Union Confederation
- CIO (magazine), an IT business magazine
- Comité International Olympique, see International Olympic Committee
- Concours International Officiel, international tournament in equestrian sport, see International Federation of Equestrian Sports
- Conventional International Origin, in the years 1900 to 1905 defined medium north pole of rotation of the earth
Cio stands for:
- Prusias ad Hypium, an ancient city in Asia Minor landscape Bithynia, today Konuralp in the province of Düzce, Turkey
- Gemlik, an ancient town near Bursa on the Marmara Sea, Turkey
- Disambiguation
- Abbreviation