Lehmann is a German surname.
As of 2014, 75.3% of all bearers of the surname Lehmann were residents of Germany, 6.6% of the United States, 6.3% of Switzerland, 3.2% of France, 1.7% of Australia and 1.3% of Poland.
In Germany, the frequency of the surname was higher than national average in the following states:[3] In Switzerland, the frequency of the surname was higher than national average in the following cantons: