What does Dieter mean?
Dieter is an uncommon first name for men but a very popular last name for both adults and children (#9708 out of 150436, Top 6%). (2000 U.S. Census)
Shown below is a comparison of the popularity of Dieter and corresponding names. The only popular alternative form of Dieter (#unlisted) listed in the Top 1000 is Dedrick. These boy names were at the peak of their popularity during the years 1970-1979 (usage of 0.3%) and have become much less widespread since. (2014 Birth Statistics)