| Acronym | Definition |
|---|
| CFTR | Cystic Fibrosis Transmembrane Conductance Regulator |
| CFTR | Comité Français pour les Techniques Routières (French: French Committee for Road Engineering) |
| CFTR | Chemin de fer Touristique du Rhin (French railway association) |
| CFTR | Centre de Formation du Transport Routier (French: Road Transport Training Center; Canada) |
| CFTR | Cystic Fibrosis Transmembrane Gene |
| CFTR | Council for Tobacco Research |
| CFTR | Consumers for Fair Telephone Rates |
| CFTR | Transition Coupling Fault |
| CFTR | Citizens for the Republic, Inc. (Alexandria, VA) |