Surname Reif (Reif 
, Rafty 
, Рейф 
) , in all the world, is a common cognomen. The surname Reif is habitual in Curacao, where it is a common surname, Austria, where it is quite a common surname, and Germany. In absolute terms, it is commonest in Germany, the United States, and Austria. Much less frequently, Reif is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Reif | Brazil, Czechia, Austria, United States, Germany |
| Rafty | Australia, United States, Philippines, Greece |
| Рейф | Kazakhstan, Kyrgyzstan, Russia, Ukraine |
| רייף | Israel |
| abraham reif UA (b. 1802) |
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| wilhelm reif (b. 1832) |
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| jean reif DE (b. 1843) |
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| mořic reif holocaust victim, b. 1855-08-28, CZ (b. 1855) |
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| leopold reif holocaust victim, b. 1856-11-21, CZ (b. 1856) |
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| josef reif holocaust victim, b. 1862-12-12, DE (b. 1862) |
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wilhelm reif CZ (b. 1903) |
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| josef reif German trade unionist (1866–1933), PL (b. 1866) |
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| bertha reif holocaust victim, b. 1866-02-06, DE (b. 1866) |
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| mathilde reif holocaust victim, b. 1867-10-10, DE (b. 1867) |
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| julius reif (b. 1858) |
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| leopold reif holocaust victim, b. 1869-07-14, CZ (b. 1869) |
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| mathilde reif holocaust victim, b. 1869-09-22, AT (b. 1869) |
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| johan adam reif NL (b. 1860) |
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| rosa reif holocaust victim, b. 1873-04-28, AT (b. 1873) |
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