Family name Ян-Броніслав (Ян-Броніслав 
) , worldwide, is an extremely rare surname. Much more prevalently, Ян-Броніслав is the forename as well as the last name. Parts of the name also exists independently as a first name Ян, and a first name Броніслав.
| VARIANT | COUNTRY |
|---|---|
| Ян-Броніслав | Ukraine |