Surname Malakhouski (Malakhouski 
) , globally, is a very rare cognomen. The surname Malakhouski is characteristic of Lithuania, where it is a rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Malakhouski | Lithuania, Canada |
Малаховский, Малахоуски, and Малахоўскі