CT

TAC may refer to:

Geography

• Tac Island: Island of Chiloé Archipelago in Chile.

Medicine

• Computed axial tomography: Diagnostic technology for the image used in medicine.

Religion

• in English: Traditional Anglican Communion (Traditional Anglican Communion) Anglo-Catholic communities separated from the Archbishop of Cantórbery as his Primate.

Politics

• Treatment Action Campaign: South African AIDS activist.
• Community Action Workshop: Chilean functional organization with the aim of promoting the integral development of the community.
• Abbreviations of Civil Administration Technicians, former denomination of the present Higher Body of Civil Administrators of the State, corps of officials of Spain.

Technology

• Type Allocation Code: Part of the IMEI code used to identify the manufacturer and mobile model.

Transportation

• Air Transport of Colombia: a Colombian airline based at Alfonso Bonilla Aragón International Airport.
• TAC: Transport Accident Comission.
• Cooperativa Transports Automotors Cuyoknown for its acronym TAC.

Education

• Learning and knowledge technologies: ICTs applied in education.

Architecture

• The Architects' Collaborative o TAC, an American architecture studio.