Cognomen Ihlenfeldt (Ihlenfeldt 
) , throughout the world, is quite a rare last name. The surname Ihlenfeldt is characteristic of South Africa, where it is a rare surname, Germany, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Ihlenfeldt | Germany, South Africa, Australia, United States, Brazil |
| hans-dieter ihlenfeldt German botanist and university teacher (*1932), DE (b. 1932) |
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| wolf-dietrich ihlenfeldt researcher |
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| steffen ihlenfeldt DE (b. 1971) |
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| wolf-dietrich ihlenfeldt |
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