Last name Лойцкер (Лойцкер 
, Loitsker , Loytsker 
) , globally, is a very rare cognomen. The cognomen Лойцкер is characteristic of Russia, where it is a very rare surname, Georgia, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Loitsker, Лойцкер | Russia |
| Loytsker | United States |
| Loicker | Georgia |
| лойцкер, хаим UA (b. 1898) |
|