Family name Ditlefsen (Ditlefsen 
) , in the entire world, is a rare cognomen. The surname Ditlefsen is habitual in Norway, where it is quite a rare surname, Denmark, and the United States, where it is a very rare surname. Much less frequently, Ditlefsen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ditlefsen | Norway, United Kingdom, Canada, United States, Denmark |
Dethlefsen, Detlefsen, Detlevsen, and Ditlevsen
|
hanny ditlefsen Norwegian politician (b. 1953) |
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jonny ditlefsen (b. 1964) |
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| dan ditlefsen musher |
|
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| sissel ditlefsen Dutch diplomat |
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| charlotte ditlefsen |
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| gunnar ditlefsen |
|
Mr, Bjã, Kari, Kyla, Knud, Rene, Rita, Rune, Dena, Drew, Gary, Gwen, Lene, Lisa, Josh, John, Joel, Jill, Tami, Troy, Tina, Elin, Beth, Carl, Aina, Arne, Ms, Bo, Ed, May, Ken, Paw, Ron, Roy, Ren, Liv, Erik, Jay, Tom, Eva, Ida, Ole, Mark, Mike, Sara, Sune, Stig, Anne, Tor, and Marie