Family name אלתר (Alter 
, אלתר ) , globally, is a common cognomen. The cognomen אלתר is characteristic of Israel, where it is quite a common surname, Estonia, where it is quite a rare surname, and Syria. In absolute terms, the name is most common in the United States, Germany, and Israel. Likewise, אלתר is the forename as well as the last name.
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ישראל אלתר Rebbe of the Hasidic dynasty (1895-1977), IL (b. 1895) |
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אלתר הילביץ IL (b. 1906) |
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אלתר ולנר IL (b. 1923) |
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יעקב אריה אלתר Rebbe of the Ger Hasidic dynasty, IL (b. 1939) |
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שאול אלתר Rosh Yeshiva of Sefat Emet, IL (b. 1957) |
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אברהם אלתר IL (b. 1953) |
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