KCA
KCA may refer to:

IATA code for Kuqa Qiuci Airport, China
Kalam Cosmological Argument
KCA DEUTAG, oil and gas services company
Kenya College of Accountancy
Kerala Cricket Association
Konami Corporation of America, the North American subsidiary of Konami
Nickelodeon Kids' Choice Awards
Kyiv Christian Academy
Kikuyu Central Association
Krupp cemented armour

kca may refer to:

Khanty or Ostyak language, ISO-639-3 code