Last name Oleffe (Oleffe 
) , worldwide, is a rare surname. The surname Oleffe is characteristic of Western Europe, particularly Belgium, where it is quite a rare surname, Switzerland, where it is a very rare surname, and France. In absolute terms, it is the most numerous in Belgium, France, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Oleffe | Germany, Belgium, Switzerland, United States, France |
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auguste oleffe Belgian painter (1867-1931), BE (b. 1867) |
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| léoncé oleffe Belgian athletics competitor, BE (b. 1897) |
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| andré oleffe Belgian politician, BE (b. 1914) |
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| michel oleffe Belgian comics artist, BE (b. 1946) |
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| floris oleffe badminton player, BE (b. 1993) |
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