IKA
IKA may refer to

 IATA code and common English abbreviation of Tehran Imam Khomeini International Airport
 Industrias Kaiser Argentina, former Argentine motor company
 Internationale Kochkunst Ausstellung (IKA), the International Exhibition of Culinary Art or Culinary Olympics
 Imperial Klans of America, Knights of the Ku Klux Klan, a white supremacist organization
 Social Insurance Institute (IKA), state-run social security organisation in Greece
 International Karate Association
 International Kiteboarding Association

See also
Ika (disambiguation)

eo:Internacio Katolika