Last name Глушчук (Глушчук 
, Glushchuk 
, Glouchtchouk 
) , all around the world, is a very rare surname. The surname Глушчук is characteristic of Belarus, where it is a very rare surname, Georgia, and Finland. In absolute terms, it most frequently occurs in Russia, Belarus, and Italy.
| VARIANT | COUNTRY |
|---|---|
| Глушчук | Russia |
| Glushchuk | Russia, Italy, Georgia, Belarus, United States |
| Glouchtchouk | Finland |