Cognomen Dethlefs (Dethlefs 
) , globally, is quite a rare last name. The family name Dethlefs is characteristic of Germany, where it is quite a rare surname, the United States, where it is a rare surname, and Australia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dethlefs | Canada, New Zealand, Australia, United States, Germany |
|
friedrich dethlefs German politician (1908-1985), DE (b. 1908) |
|
| martin dethlefs (b. 1905) |
|
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| gerd dethlefs DE (b. 1958) |
|
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| thomas dethlefs American rower, US (b. 1990) |
|
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| greta oceana dethlefs |
|
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| carsten dethlefs DE (b. 1980) |
|
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| nina dethlefs |
|