CNY is the ISO 4217 code for Renminbi, the currency of the People's Republic of China.
CNY may also refer to:
- City of New York, the most populous city in the United States
- CNY (IATA code), for Canyonlands Field airport near Moab in Grand County, Utah, United States
- Chinese New Year, a traditional festival
- Central New York, the central region of upper New York State, United States
- ConnectNY, a former consortium of 12 academic libraries in New York State