Last name Niewieczerzał (Niewieczerzał 
) , in all the world, is a very rare family name. The cognomen Niewieczerzał is habitual in Eastern Europe, particularly Poland, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Niewieczerzał | Poland |
| jan niewieczerzał PL (b. 1914) |
|