Cognomen Hartenau (Hartenau 
) , in the entire world, is a very rare family name. The surname Hartenau is habitual in Argentina, where it is a very rare surname, Germany, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Hartenau | United States, Germany, Argentina |
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assen hartenau Austrian jurist (1890-1965), AT (b. 1890) |
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| zwetana gräfin von hartenau (1893-1935), AT (b. 1893) |
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| wilhelm von hartenau (born 1915) (b. 1915) |
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| alexander assène franz von hartenau (born 1942) (b. 1942) |
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| elisabeth franziska maria von hartenau (born 1945) (b. 1945) |
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| franziska vera maria von hartenau (born 1948) (b. 1948) |
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