CFTR (cystic fibrosis transmembrane conductance regulator) is a membrane protein and chloride channel in vertebrates.

CFTR may also refer to:

CFTR (AM), a Canadian radio station serving the Greater Toronto Area Citizens for the Republic (CFTR), an American political action committee UTB Centre for Transport Research (CfTR), a research group at the University of Technology Brunei G-CFTR, CAA registration for a sailplane owned by the Nottingham University Gliding Club