|Political party Siumut|
|Name Hermann Berthelsen|
Residence Sisimiut, Greenland
|Born 2 March 1956 (age 59) Sisimiut, Greenland (1956-03-02)|
Hermann Berthelsen (born 2 March 1956) is a Greenlandic politician and affiliated with the Siumut party. As of July 2010, Berthelsen is the mayor of Sisimiut, a town in central-western Greenland, and the administrative center of the Qeqqata municipality.