Theodor Dannecker (27 March 1913 – 10 December 1945) was a German SS-captain (Hauptsturmführer), a key aide to Adolf Eichmann in the deportation of Jews during World War II.

A trained lawyer, Dannecker first served at the Reich Security Main Office in Berlin before being sent to France as specialist on Nazi anti-Jewish policies (Judenberater).

Throughout the war Dannecker oversaw the implementation of the Final Solution sending Jewish men, women and children from France (1942), Bulgaria (1943), Italy (1944) and Hungary to Auschwitz concentration camp.

[6] During March 1943, Bulgarian military and police authorities deported 11,343 Jews from the Bulgarian-occupied regions of Macedonia, Pomoravlje in occupied Yugoslavia and Thrace to Auschwitz-Birkenau and Treblinka.

Dannecker developed under Eichmann into one of the SS's most ruthless and experienced experts on the "Jewish Question", and his involvement in the genocide of European Jewry was one of primary responsibility.

[11] A passage from a 1942 report by Dannecker illustrates how the "Jewish Question" was handled in France: Subject: Points for the discussion with the French State Secretary for Police, Bousquet...