Family name Siemko (Siemko 
) , across the world, is a rare cognomen. The last name Siemko is habitual in Poland, where it is a rare surname, Germany, where it is a very rare surname, and Canada. More prevalently, Siemko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siemko | Germany, United Kingdom, United States, Poland, Canada |
| piotr siemko PL (b. 1958) |
|
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| katrin siemko Dr. rer. nat. Technische Universität Dortmund 2012 |
|