Last name Elkuch (Elkuch 
) , all around the world, is a rare surname. The cognomen Elkuch is characteristic of Liechtenstein, where it is a common surname, Switzerland, where it is quite a rare surname, and Slovakia, where it is a rare surname. Very seldom, Elkuch is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Elkuch | Switzerland, Spain, Czechia, Slovakia, Liechtenstein |
| ludwig elkuch Liechtensteiner politician (1851-1919), LI (b. 1851) |
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| philipp elkuch Liechtensteiner politician (1887-1956), LI (b. 1887) |
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| franz elkuch LI (b. 1933) |
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| herbert elkuch Liechtensteiner politician, LI (b. 1952) |
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| yvonne elkuch Road racing cyclist, LI (b. 1968) |
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