Family name Hoelzer (Hoelzer 
, הולצר 
, Хольцер 
) , around the world, is quite a rare surname. The surname Hoelzer is habitual in Israel, where it is quite a rare surname, Germany, and the United States, where it is a rare surname.
| dieter hoelzer German university teacher, DE (b. 1939) |
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| ruth hoelzer (b. 1952) |
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| david hoelzer researcher |
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| helmut hoelzer Nazi Germany V-2 rocket engineer. |
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| karin hoelzer researcher |
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| john henry hoelzer Ph.D. Washington University in St. Louis 1967 |
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| guy a. hoelzer evolutionary biologist |
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| margaret hoelzer American swimmer, Olympic silver medalist, world champion, former world record-holder, US (b. 1983) |
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| alfredo eugénio cálem hoelzer |
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