Reinhardt is a German, Austrian, Danish, and to a lesser extent Norwegian and Swedish surname (from Germanic ragin, counsel, and hart, strong), and a spelling variant of Reinhard.
As of 2014, 63.6% of all known bearers of the surname Reinhardt were residents of Germany (frequency 1:1,788), 24.6% of the United States (1:20,797), 1.8% of France (1:51,081), 1.6% of Canada (1:32,138), 1.6% of Brazil (1:185,079) and 1.0% of Switzerland (1:11,406).
In Germany, the frequency of the surname was higher than national average (1:1,788) in the following regions:[1]