Johann Ullmann

Johann Ullmann is the name of the following people:

• Johann Ullmann (politician) († 1493), German politician and insurgent of the Bundschuh movement
• Johann Christoph Ullmann (1771–1821), German mineralogist and university professor
• Johann Ehrenhold Ullmann (1779–1831), German mining official
• Johann Georg Ullmann (1695–1765), German mining officer and cartographer

This is a disambiguation page for differentiating between several terms identified with the same word.