CY may be:
Calendar yearCommon yearCommon Year (Greyhawk)Container yard
Cubic yard, although the more frequent abbreviation is "cu yd"
Cyprus, ISO 3166, FIPS Pub 10-4 and obsolete NATO country code
Cyprus Airways, the IATA airline designatorcy may be:
Cyprus, its Internet country code top-level domain (ccTLD) .cy
Welsh language (ISO 639 alpha-2 language code, from the Welsh Cymraeg)Cy may be:
Cy (kitten), a kitten born in late 2005 with one eye and no nose due to a condition known as holoprosencephaly
Cy (Battlestar Galactica), a Cylon from Galactica 1980Cy, the mascot of the
Pee Dee Cyclones, of the SPHLCy the Cardinal, the mascot of
Iowa State University
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