Cognomen אלטר (Alter 
, אלטר ) , in the entire world, is a common last name. The surname אלטר is characteristic of Israel, where it is quite a common surname, Estonia, where it is quite a rare surname, and Syria. In absolute terms, it is commonest in the United States, Germany, and Israel. Also, אלטר is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alter | Myanmar, Syria, Israel, United States, Germany |
| אלטר | Israel |
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נפתלי אלטר Israeli composer, producer, screenwriter and film director., IL (b. 1947) |
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אורלי אלטר Israeli-American geneticist, mathematician, and physicist, IL (b. 1964) |
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| אלטר מאזוז TN (b. 1932) |
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| אירית אלטר IL (b. 1948) |
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| אריה אלטר association football player, IL (b. 1961) |
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| יריב אלטר Israeli artist and professor of audio-visual design at the Gerrit Rietveld Academie and the Sandberg Institute in Amsterdam, IL (b. 1968) |
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| רוני אלטר Israeli author, composer, musician and performer., IL (b. 1982) |
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