Cognomen Ketija (Ketija 
, קייטי 
, Кеті 
) , in the world, is a rare last name. The surname Ketija is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Also, Ketija is the forename as well as the last name.
Le, Jansone, Narbute, Ozolina, Ozoliņa, Meinarte, Saburova, Stivrina, Karlsone, Kalniņa, Liepiņa, Kukurane, Krišjāne, Krūmiņa, Pētersone, Riteniece, Horelika, Veiksane, Feldmane, Šneidere, Bērziņa, Krinkele, Putnina, Sjanita, Miltina, Busa, Milta, Sīle, Atare, Buša, Grube, Ievia, Balode, Kukurāne, Kupča, Panova, Pekale, Purena, Pundzjusa, Pujate, Drieka, Grūbe, Vebere, Fogele, Zubure, Meļihova, Petersone, and Volosovska