Dieter is of German origin, derived from the Latin 'Teuderic,' which means 'ruler of the people.' It was popularized by the Merovingian King Theuderich I in the 6th century. In Germany and other German-speaking regions, Dieter remains a well-liked name, often paired with middle names like Wilhelm or Heinrich to honor historical figures.
The name Dieter experienced significant popularity in the mid-20th century with a peak of 33 births in 1962. However, its usage has since declined significantly, with only 6 births recorded each year from 2022 to 2023. Overall, there were 915 babies named Dieter from 1953 to 2023.