Last name Heldoorn (Heldoorn 
) , in the entire world, is a rare cognomen. The last name Heldoorn is habitual in Netherlands, where it is quite a rare surname, Australia, where it is a rare surname, and the United States, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Heldoorn | Australia, Netherlands, Germany, China, United States |
| antonius franciscus heldoorn Dutch photographer, NL (b. 1808) |
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| gerardus albertus heldoorn Dutch architect, NL (b. 1899) |
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| frank heldoorn Dutch triathlete, NL (b. 1969) |
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| marcel heldoorn researcher |
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