Cognomen Ядвіга-Казіміра (Ядвіга-Казіміра 
) , around the globe, is an extremely rare family name. Predominantly, Ядвіга-Казіміра is the forename as well as the last name. Parts of the name also exists independently as a first name Ядвіга, and a first name Казіміра.
| VARIANT | COUNTRY |
|---|---|
| Ядвіга-Казіміра | Ukraine |