Karl Holter (June 30, 1885 – June 7, 1963) was a Norwegian actor, writer, and Waffen-SS soldier.
Holter was born in Kristiania (now Oslo), Norway. He debuted in 1912 at the Central Theater and after that was mainly engaged with the Norwegian Theater until 1935. He was also a journalist for the newspaper Stavanger Aftenblad from 1917 to 1920.