CTO

CTO may refer to:

Occupations

Chief technology officer, an executive officer in an organization focused on scientific and technological issues
- Chief Technology Officer of the United States
Certified Television Operator, an operator certified by the Society of Broadcast Engineers

Cape Town Opera, South African opera company
Caribbean Tourism Organization, for sustainable tourism
Commonwealth Telecommunications Organisation, a partnership between Commonwealth and non-Commonwealth governments, business, and civil society organisations
Cyprus Tourism Organisation, a semi-governmental organisation in Cyprus
CTO Hospital (Turin), a major medical center in Turin, Italy

Cancelled-to-order, a postage-stamp cancelled by the postal administration before sale to stamp-collectors
Activated carbon filter to improve Chlorine, Taste, Odor
Chronic total occlusion, a disease of a coronary artery of the heart
City ticket office for an airline
Color temperature orange, a type of color gel filter used in color correction
Community treatment order, an implementation of mental-health law in Australia, England and most provinces in Canada
Crude Tall Oil, a viscous yellow-black odorous liquid obtained as a by-product of the kraft process of wood pulp