Dr. Otto Gessler (or Geßler) was a German politician during the Weimar Republic. From 1910 until 1914 he was mayor of Regensburg and from 1913 to 1919 mayor of Nuremberg. He served in Weimar cabinets from 1919 until 1928, usually as Minister of Defence.
The hospital in Lindenberg im Allgäu is named for him.
