In all the world, Кайса (Kajsa 
, Kaisa 
, Kaysa 
) is quite a common epicene given name. The given name Кайса is habitual in Northern Europe, particularly Sweden, where it is quite a common girly name, Finland, and Estonia, where it is quite a rare female name. In absolute terms, the name is most common in Sweden, India, and Finland. Much less frequently, Кайса is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kajsa | Sweden, Finland, United States, Denmark, Brazil |
| Kaisa | Sweden, Indonesia, Finland, United States, India |
| Kaysa | Indonesia, United States, India, Myanmar, Brazil |
| Кайса | Azerbaijan, Kyrgyzstan, Kazakhstan, Russia |
Caisa, Cajsa, Carin, Catalina, Catarina, Caterina, Catharina, Catharine, Catherine, Cathie, Cathrine, Cathryn, Catrin, Chatrine, Ekaterina, Ekaterine, Iekaterina, Jekaterina, Jekatěrina, Kaarina, Kareen, Karen, Karin, Katalin, Katalina, Katariina, Katarina, Kataryna, Katarzyna, Katarína, Katerina, Kateřina, Katharina, Katherine, Kathie, Kathrine, Katia, Katie, Katja, Katri, Katriin, Katriina, Katrijn, Katrin, Katrina, Katrine, Kattalin, Katy, Katya, Yekaterina,
Кайса is also a name for the fictitious and mythical characters: Kajsa Engström , the fictional character created by Astrid Lindgren; Rajamäkis Kaisa , character in The Seven Brothers; Kaisa , the operatic character in the opera Juha by Aarre Merikanto; Kaisa , the operatic character in the opera Juha by Leevi Madetoja; hired girl on Juha's farm and Kaisa , the operatic character in the opera The Ostrobothnians by null; dependent tenant (i.e., extra maid) on the Harri farm.
| паюсалу, кайса Estonian rower, EE (b. 1989) |
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