Last name Isakoski (Isakoski 
) , worldwide, is a very rare cognomen. The last name Isakoski is habitual in North Macedonia, where it is quite a rare surname, Slovenia, where it is a rare surname, and Austria. Also, Isakoski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Isakoski | Slovenia, Austria, United States, North Macedonia |