Rudolf Allers (13 January 1883, Vienna, Austria-Hungary – 18 December 1963, Washington, US) was an Austrian-American psychiatrist and academic.

[1] Allers was the only Catholic to join the first group of the founder of psychoanalysis Sigmund Freud.

Allers was master of Viktor Frankl in 1925–1930, mentor of Hans Urs von Balthasar and friend of Saint Edith Stein.

Both von Balthasar and Stein lived for several months in Allers' home in Vienna in 1931.

[2] He studied the preventive method of St. John Bosco and his pedagogical applications, and at the invitation of Father Agostino Gemelli, was in Italy to study the philosophy of St. Thomas Aquinas at the Catholic University of Milan and graduated in Philosophy in 1934.