Cognomen Fiker (Fiker 
) , around the globe, is quite a rare surname. The surname Fiker is characteristic of Western Asia, particularly Lebanon, where it is quite a rare surname, Kuwait, and United Arab Emirates. Not in comparison with a country's population, the name is most common in Ethiopia, Saudi Arabia, and Lebanon. Also, Fiker is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Fiker | Ethiopia, Saudi Arabia, United Arab Emirates, Sudan, Lebanon |
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eduard fiker Czech writer (1902-1961), CZ (b. 1902) |
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| charles berthold fiker American botanical collector (1886–1969), US (b. 1886) |
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| viktor fiker trade ministry official in Prague, Czechia (1896-??), CZ (b. 1896) |
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| kathleen fiker American botanical collector (1900–1996), US (b. 1900) |
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| adolf fiker CZ (b. 1905) |
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| soběslav fiker CZ (b. 1927) |
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| daniel fiker (b. 1974) |
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