Last name Слуцкаиа (Слуцкаиа 
) , across the world, is an extremely rare family name. The surname Слуцкаиа is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Слуцкаиа | Russia |
Sloutskaia, Sluckaia, Slutckaia, Slutskaia, and Slutskaya