Worldwide, Mannhardt (Mannhardt 
) is an extremely rare unknown gender given name. Much more prevalently, Mannhardt is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mannhardt | Germany, France, Canada, Brazil, United States |
| franziscus mannhardt (b. 1846) |
|
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| wolf mannhardt DE (b. 1864) |
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| anderl mannhardt DE (b. 1939) |
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