Obersturmbannführer Bruno Müller or Brunon Müller-Altenau (Strasbourg, September 13, 1905 – March 1, 1960, Oldenburg) served as an SS Lieutenant Colonel during the Nazi German invasion of Poland.
In September 1939, he was put in charge of the Einsatzkommando EK 2, attached to Einsatzgruppe EG I (pl) of the Security Police.
They were deployed in Poland along with the 14th Army of the Wehrmacht.