The Hitler family comprises the relatives and ancestors of Adolf Hitler, an Austrian-born German politician and the leader of the Nazi Party, who was the dictator of Germany, holding the title Chancellor of Germany from 1933 to 1945, and head of state as Führer und Reichskanzler from 1934 to 1945. Adolf Hitler had a central role in the rise of Nazism in Germany, provoking the start of World War II, and holding ultimate responsibility for the deaths of many millions of people during the Holocaust.

Alois Hitler was an Austrian civil servant in the customs service, and the father of Adolf Hitler, dictator of Germany from 1933 to 1945.