Last name Dortmans (Dortmans 
) , worldwide, is a rare cognomen. The surname Dortmans is characteristic of Netherlands, where it is quite a rare surname, Australia, where it is a rare surname, and Estonia. Not in comparison with a country's population, this name is the most popular in Netherlands, Australia, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Dortmans | Australia, Germany, Netherlands, Canada, Poland |
| cathalijne dortmans Dutch civil servant and politician, NL (b. 1973) |
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| j c f m dortmans researcher (ORCID 0000-0002-9681-3027), NL (b. 1977) |
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