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Dierßen or Dierssen is the family name of the following people:

• Bernd Dierßen (* 1959), German soccer player
• Gerhard Dierssen (1925–2008), German photojournalist and author
• Klaus Dierßen (ecologist) (also Klaus Dierssen ; * 1948), German botanist, ecologist and university professor
• Klaus Dierßen (photographer) (also Klaus Dierssen ; * 1949), German photographer, graphic artist and university lecturer
• Tim Dierßen (* 1996), German soccer player

Dierssen stands for:

• Dierssen (desert) , desert near Eldagsen, Lower Saxony

This is a disambiguation page for differentiating between several terms identified with the same word.