Surname Idnurm (Idnurm 
) , worldwide, is a very rare last name. The family name Idnurm is characteristic of Estonia, where it is quite a rare surname, Australia, where it is a very rare surname, and Canada. Measured by absolute frequency, the name is most common in Estonia, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Idnurm | Estonia, Australia, United States, Canada |
| siim idnurm (b. 1942) |
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| alexander idnurm researcher |
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