Family name Osterhaus (Osterhaus 
) , throughout the world, is quite a rare surname. The last name Osterhaus is habitual in Western Europe, particularly Austria, where it is a rare surname, Germany, and Netherlands. Measured by absolute frequency, it is the most numerous in the United States, Germany, and Netherlands.
| VARIANT | COUNTRY |
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| Osterhaus | Austria, Netherlands, Australia, Germany, United States |
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peter joseph osterhaus Union Army general, DE (b. 1823) |
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hugo osterhaus United States Navy Rear Admiral, US (b. 1851) |
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robert osterhaus American pharmacist and politician, US (b. 1931) |
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ab osterhaus virologist, NL (b. 1948) |
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| andreas g. osterhaus DE (b. 1960) |
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| christopher osterhaus researcher |
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