Surname Agnieszczak (Agnieszczak 
) , around the globe, is a rare family name. The family name Agnieszczak is habitual in Poland, where it is a rare surname, and Germany, where it is an extremely rare surname. Also, Agnieszczak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Agnieszczak | Poland, Germany |