Siemomysł (disambiguation)
# Siemomysł (disambiguation)

Siemomysł was a 10th-century Duke of Polans, forerunners of the kings of Poland.

Siemomysł can also refer to:-

* Siemomysł, Duke of Pomerania, an 11th-century ruler
* Ziemomysł of Kuyavia, a 13th-century ruler
