Family name Jarnecka (Jarnecka 
) , all over the world, is a very rare cognomen. The cognomen Jarnecka is habitual in Eastern Europe, particularly Poland, where it is a very rare surname. More prevalently, Jarnecka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jarnecka | Poland |
| aleksandra jarnecka PL (b. 1931) |
|