Kaija is a contemporary feminine personal name thought to have arisen as a Finnic variant of the Katrin, or alternatively from Katariina.
Among the people who share this name are:
Kaija Kärkinen (b. 1962), a Finnish singer and actress
Kaija Koo (b. 1962 as Kaija Kokkola), a Finnish singer
Kaija Lustila (b. 1965), a Finnish singer
Kaija Mustonen (b. 1941), a Finnish skater
Kaija Pohjola (b. 1951), a Finnish singer
Kaija Saariaho née Laakkonen (b. 1952), a Finnish composer
Kaija Silvennoinen (b. 1954), a Finnish skier
Kaija Siren née Tuominen (1920–2001), a Finnish architect
Kaija Udras (b. 1986), an Estonian skier
