Last name Stillhammer (Stillhammer 
) , throughout the world, is a rare family name. The cognomen Stillhammer is habitual in Germany, where it is a very rare surname, Spain, and the United States, where it is an extremely rare surname. Much less frequently, Stillhammer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Stillhammer | Germany, United States, Spain |
| hans wilhelm stillhammer German painter, DE (b. 1881) |
|