Surname Ostro (Auster 
, Ostro 
, Ostrea 
) , around the world, is quite a rare family name. The family name Ostro is habitual in Norway, where it is quite a rare surname, Denmark, where it is a rare surname, and Germany. In absolute terms, it most frequently occurs in the United States, Philippines, and Germany. Very seldom, Ostro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Auster | Germany, Norway, Philippines, United States, France |
| Ostro | Norway, United Kingdom, United States, Canada, France |
| Ostrea | Philippines, Switzerland, United States, Canada, New Zealand |
| Ostrum | Venezuela, Canada, France, United States |
| hedwig ostro holocaust victim, b. 1864-04-12, AT (b. 1864) |
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| samuel ostro holocaust victim, b. 1876-03-30, DE (b. 1876) |
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| frieda ostro holocaust victim, b. 1881-07-07, DE (b. 1881) |
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steven j. ostro American scientist, US (b. 1946) |
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maurice samuel ostro British philanthropist, GB (b. 1965) |
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| jason ostro American artist, US |
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| bart david ostro Ph.D. Brown University 1976 |
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Mr, Lana, Lena, Lola, Lynn, John, Joel, Judy, Tali, Neil, Gail, Neta, Eran, Hans, Haim, Vlad, Fred, Inna, Omer, Ohad, Marie, Esty, Gary, Dana, Roro, Ms, Ev, Max, Soo, Amy, Ben, Rom, Lon, Uri, Xan, Marc, Mark, Mara, Mike, Sara, Sean, Alex, Alla, Anna, Bart, Bejo, Scott, and Allan