Cognomen Михаилоуски (Михаилоуски 
, Mihailouski, Mikhailouski 
) , in the entire world, is a rare last name. The cognomen Михаилоуски is characteristic of Belarus, where it is quite a rare surname, Switzerland, where it is a very rare surname, and Russia. In absolute terms, this name is the most popular in Belarus, Russia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Михаилоуски | Russia |
| Mikhailouski | United States, Switzerland, Belarus |