Cognomen Biltz (Pilz 
, Biltz 
, Bilț) , globally, is a common last name. The cognomen Biltz is characteristic of Austria, where it is quite a common surname, Germany, and Czechia, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Germany, Austria, and the United States. Very seldom, Biltz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pilz | Germany, Czechia, Austria, United States, Brazil |
| Biltz | Germany, United States, Canada, France, Israel |
|
karl friedrich biltz German author, DE (b. 1830) |
|
| karl friedrich biltz DE (b. 1796) |
|
|
|
heinrich biltz German chemist, DE (b. 1865) |
|
| ernst biltz German chemist and pharmacist, DE (b. 1822) |
|
|
|
wilhelm biltz German chemist (1877-1943), DE (b. 1877) |
|
| max biltz DE (b. 1863) |
|
|
|
mark biltz American pastor and author, US (b. 1956) |
|
| karl peter biltz German actor and director, DE (b. 1908) |
|
|
| martin biltz (b. 1900) |
|