Siemsen
Siemsen is the name of
- Anna Siemsen (1882–1951), German educator and politician (SPD, USPD, SAPD)
- August Siemsen (1884–1958), German educator and politician (SPD, SAPD, SED); Brother of Anna Siemsen
- Christoph Wilhelm Siemsen (1793–1859), German music teacher, councilor, librarian and library secretary
- Hans Siemsen (1891–1969), German writer; Brother of Anna Siemsen
- Karl Siemsen (1887–1968), German lawyer and politician (SPD), state minister in North Rhine-Westphalia; Brother of Anna Siemsen
- Karl Hayo Siemsen (1944–2018), German systems theorist
- Peter Siemsen (1787–1854), businessman and senator in Hamburg
See also: