Cognomen Molau (Molau 
) , worldwide, is a rare surname. The surname Molau is habitual in Botswana, where it is quite a rare surname, Sweden, where it is a rare surname, and South Africa, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Botswana, Germany, and South Africa. Also, Molau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Molau | Germany, South Africa, Sweden, India, Botswana |
| adam molau organ builder, DE (b. 1800) |
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andreas molau German opinion journalist and politician, DE (b. 1968) |
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| ulf molau botanist, SE (b. 1949) |
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| anna molau botanical collector (1955- ) (b. 1955) |
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