Surname יפת (Japhet 
, Jafet 
, יפת 
) , in the world, is a common cognomen. The surname יפת is characteristic of Tanzania, where it is quite a common surname, Israel, and Namibia. In absolute terms, this name is the most popular in Tanzania, Nigeria, and Israel. More prevalently, יפת is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Japhet | Nigeria, Democratic Republic of the Congo, Philippines, Kenya, Tanzania |
| Jafet | Nigeria, Mexico, Democratic Republic of the Congo, Philippines, Tanzania |
| יפת | Israel |
| Yefet | Israel, Mexico, France, Brazil, United States |
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ארנסט יפת IL (b. 1921) |
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שרה יפת Israeli biblical scholar, IL (b. 1934) |
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זאב יפת IL (b. 1935) |
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גלעד יפת Israeli genealogist, IL (b. 1969) |
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אלון יפת Israeli referee, IL (b. 1972) |
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| יוסף יפת Israeli military personnel, IL (b. 1922) |
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| גדעון יפת Israeli lawyer and chess enthusiast, IL (b. 1928) |
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יוגב יפת Israeli stage actor, IL (b. 1985) |
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| ראובן יפת Israeli association football player, IL (b. 1935) |
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| יואב יפת Israeli actor and announcer, IL (b. 1973) |
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| טום יפת Israeli actor, IL (b. 1993) |
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