C33
C33 stands for:
- Malignant neoplasm of the trachea , ICD-10 code of the disease; see head and neck cancer
- Chrysler C33 , a 1940s car model
- Main road C33 , a street in Namibia
- HMS C33 , a British submarine
- Nissan Laurel C33, a car model from the 1980s and 90s
- Caldwell 33 , a supernova remnant from the Caldwell catalog
C-33 stands for:
- Douglas C-33 , a twin-engine airliner produced by the Douglas Aircraft Company
C 3/3 stands for: