English abbreviations from cyl to czt
- CYL (Coyoles Airport)
- CYLA (California Youth Leaders Association)
- cym (Welsh language (ISO 639-2 code))
- CYO (Catholic Youth Organization)
- CYP (Calbayog Airport)
- CYPRO (cyberproducts log)
- CYR (Laguna de los Patos International Airport)
- CYS (Cheyenne Regional Airport (Jerry Olson Field))
- CYSC (Catholic Youth Summer Camp)
- CYT (Yakataga Airport)
- CYU (Cuyo Airport)
- CYW (Captain Rogelio Castillo National Airport)
- CYX (Chersky Airport)
- CYZ (Cauayan Airport)
- CZ (Czochralski Process)
- CZA (Kaua International Airport)
- CZB (Carlos Ruhl Airport)
- CZC (Copper Center 2 Airport (FAA: Z93))
- CZE (Czech Republic (ISO 3166 trigram))
- CZF ((Christian Zombie Fan))
- CZH (Corozal Airport)
- CZJ (Corazon de Jesus Airport)
- CZK (Czech koruna (ISO 4217 currency code))
- CZL (Mohamed Boudiaf International Airport)
- CZM (Cozumel International Airport)
- CZMA ((US) Coastal Zone Management Act)
- CZN (Chisana Airport)
- CZO (Chistochina Airport)
- CZP (Cape Pole Seaplane Base (FAA: Z71))
- C-ZRO2 (Cubic ZIRCONIUM DIOXIDE)
- CZS (Cruzeiro do Sul International Airport)
- CZT (Dimmit County Airport)