Alfred Ittner (13 January 1907 – 3 November 1976) was an SS functionary of Nazi Germany who served at the Sobibór extermination camp.
Ittner joined the Nazi Party in February 1927, with the membership number 30,805.
He subsequently joined the Sturmabteilung in 1931.
He worked on the staff of the Gauleiters of Hamburg and Berlin from 1934 to 1939, at which point he put in for a transfer to the Action T4 euthanasia programme in Berlin.
He remained in this role, serving as a bookkeeper at the T4 headquarters until 1942.