Surname Semaska (Semaska 
) , all over the world, is a rare cognomen. The surname Semaska is habitual in Lithuania, where it is quite a common surname, Estonia, where it is a rare surname, and Poland, where it is a very rare surname. In absolute terms, it is commonest in Lithuania, Poland, and France. Much less frequently, Semaska is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Semaska | United Kingdom, Poland, France, Lithuania, United States |