Kurt Eccarius (5 March 1905 – died after 1969) was an SS functionary during the Nazi era; he was in charge of the prison block inside the Sachsenhausen concentration camp from 1939 to 1945.
He was convicted by both Soviet and West German courts for murders committed during his concentration camp service.
Eccarius was born in Coburg, Saxe-Coburg and Gotha.