Family name Japa (Japa 
) , globally, is a common cognomen. The family name Japa is habitual in the Dominican Republic, where it is quite a rare surname, Peru, and Tunisia, where it is a rare surname. In absolute terms, the name is most common in India, Indonesia, and Peru. More prevalently, Japa is the forename as well as the last name.
| józef japa Polish hematologist and internist, PL (b. 1910) |
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| ida bagus putu japa Indonesian independent hero from Denpasar (1925-1946), ID (b. 1925) |
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| erica japa person identified in the Museu da Pessoa collection, BR (b. 1973) |
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| janeth japa Peerage person ID=132453 |
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| ingrid japa researcher |
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| manuel japa Peerage person ID=132388 |
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| caio japa futsal player, BR (b. 1983) |
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| japa mattila |
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| erick japa association football player, DO (b. 1999) |
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