There are
155
Diefenthalers in the USA
Diefenthaler is the
113155th
most common last name in the USA

Diefenthaler Genealogy

OriginsThe Diefenthaler surname has its origins in Germany, specifically in the regions of Bavaria and Rhineland. It is also found in smaller numbers in Austria.
Geographic DistributionThe Diefenthaler surname is most popular in Germany, particularly in the regions of Bavaria and Rhineland. It can also be found in smaller numbers in Austria.