Surname Kaasik-Aaslav (Kaasik-Aaslav 
) , around the world, is a very rare cognomen. The surname Kaasik-Aaslav is characteristic of Northern Europe, particularly Estonia, where it is quite a rare surname, and Latvia. Parts of the name also exists independently as a last name Kaasik, and a last name Aaslav.
| VARIANT | COUNTRY |
|---|---|
| Kaasik-Aaslav | Latvia, Estonia |