Kaja

Kaja may refer to:


 * Kaja (name), a given name, a nickname and a surname
 * Kaja (singer), stage name of Vesna Milačić (born 1968), Montenegrin singer-songwriter
 * Kaja (newspaper), a newspaper published in Estonia between 1919 and 1935
 * Kajagoogoo, a British new wave band known as Kaja from 1984 to 1985
 * KAJA (FM), a radio station (97.3 FM) licensed to San Antonio, Texas, United States
 * K68DJ, a television station (channel 68) licensed to Corpus Christi, Texas, United States, unofficially known as "KAJA"
 * Kaja Beedi, an India beedi brand