Family name Siemy (Siemy 
) , in the entire world, is a rare surname. The family name Siemy is habitual in the Democratic Republic of the Congo, where it is a rare surname, and Germany, where it is an extremely rare surname. Very seldom, Siemy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siemy | Germany, United States, Democratic Republic of the Congo |