Surname Slogar (Slogar 
) , in the entire world, is a rare cognomen. The family name Slogar is characteristic of Croatia, where it is quite a rare surname, Slovenia, where it is a rare surname, and Canada, where it is a very rare surname. Measured by absolute frequency, it is commonest in the United States, Croatia, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Slogar | Croatia, Israel, Slovenia, Canada, United States |