The Chemin de fer touristique du Cotentin is a 1,435 mm (4 ft 8+1⁄2 in) standard gauge heritage railway and voluntary association in Normandy, France.
The association has a set itself the task of preserving railway heritage in the Cotentin.
The association was founded in 1982 as the Association pour la Sauvegarde du Chemin de fer Carentan-Carteret, (ASCCC), which became in 1983, the Association pour la Sauvegarde du Chemin de fer Carentan-Carteret et Coutances - Cherbourg under pressure of the Cherbourg and Coutances councils.
From 21 December 1988 to 30 June 1994, the Train touristique du Cotentin ran trains on a 10 km (6.2 mi) section of track from Carentan to Baupte with a 1950s railcar, then the X3825, the X2426.
From 23 June 1990, the TTC also runs trains between Barneville-Carteret and Portbail on a 9 km (5.6 mi) long section of track.