NCTS
NCTS stands for:
- New Computerized Transit System
- Naval Computer and Telecommunications Station of the US Navy, see NCTS Sicily
- National Center for Theoretical Sciences, Taiwanese national basic research institution of the Ministry of Research, see National Center for Theoretical Sciences, Physics
- NASCAR Canadian Tire Series, formerly the NASCAR Pinty's Series
- NASCAR Craftsman Truck Series, formerly the Camping World Truck Series