Walter Ullmann
Walter Ullmann is the name of the following people:
- Walter Ullmann (pseudonym Gaston Oulmán ; 1898–1949), impostor , director, theater founder and maker, editor and journalist, see Jo Lherman
- Walter Ullmann (director) (1902 – after 1945), German theater director
- Walter Ullmann (historian) (1910–1983), British historian
