CNG (disambiguation)

CNG is compressed natural gas, methane stored at high pressure.

CNG may also refer to:
 * Certified Naturally Grown, a non-profit farm assurance certification program
 * Chinese Garden MRT station (MRT station abbreviation CNG), a Mass Rapid Transit station in Jurong East, Singapore
 * Connecticut Natural Gas, a natural gas distribution company
 * Cryptography API: Next Generation, an update of Microsoft CryptoAPI introduced in Windows Vista
 * Cyclic nucleotide–gated ion channel, ion channels that function in response to the binding of cyclic nucleotides
 * National Council of Government (Haiti), provisional government of Haiti from 1986 to 1988, natively Conseil National de Gouvernement