Family name Stubljar (Stubljar 
) , in the entire world, is a rare cognomen. The surname Stubljar is characteristic of Slovenia, where it is quite a rare surname, Croatia, and Germany, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Slovenia, Croatia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Stubljar | Canada, United States, Slovenia, Germany, Croatia |
| mladen stubljar (b. 1950) |
|
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| david stubljar researcher |
|