Surname Orbach (Orbach 
, Орбах 
, אורבך 
) , in all the world, is quite a rare last name. The last name Orbach is characteristic of Israel, where it is quite a rare surname, Germany, where it is a rare surname, and Slovakia. Measured by absolute frequency, it is the most numerous in Israel, the United States, and Germany. Very seldom, Orbach is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Orbach | Germany, Australia, United States, Poland, Brazil |
| Орбах | Russia |
| אורבך | Israel |
| louis orbach holocaust victim, b. 1869-09-03, CZ (b. 1869) |
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| aron orbach Holocaust victim, born 1872-08-16 (b. 1872) |
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raymond l. orbach American physicist, US (b. 1934) |
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jerry orbach American actor and singer (1935-2004), US (b. 1935) |
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| wilhelm orbach German chess player, DE (b. 1894) |
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susie orbach English psychologist, GB (b. 1946) |
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| maurice orbach British politician (1902-1979), GB (b. 1902) |
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| moshe orbach (b. 1916) |
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| heinz orbach (b. 1925) |
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| elaine cancilla orbach American actress and dancer, US (b. 1940) |
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| ron orbach American actor, US (b. 1952) |
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| nona orbach (b. 1954) |
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| emma orbach GB (b. 1955) |
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| chris orbach American actor, US (b. 1968) |
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| marc j orbach researcher (ORCID 0000-0001-7714-1352) |
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