Surname Langendoen (Langendoen 
) , in the entire world, is quite a rare cognomen. The surname Langendoen is characteristic of Netherlands, where it is quite a rare surname, Belgium, and Canada, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Langendoen | Norway, Belgium, United States, Canada, Netherlands |
| donald terence langendoen (b. 1939) |
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| john langendoen (b. 1954) |
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| koen langendoen (b. 1965) |
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| koendert g. langendoen Ph.D. Universiteit van Amsterdam 1993 |
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| eddy j. langendoen researcher |
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