Erhard is a German masculine given name derived from Old High German elements "er" meaning "honor", "glory" and "hard" which means "brave", "strong". It gained popularity in the Middle Ages, particularly among nobility due to its association with powerful figures such as Emperor Frederick I Barbarossa who had an ancestor named Erhard. Today, it is still predominantly used in Germany but can also be found in other countries like Austria and Switzerland. The name's variants include Erhart and Erhardt.
The name Erhard experienced fluctuations in popularity during this period, with the highest number of births in a single year being 15 in 1917 and the lowest being 5 in 1929. The total number of babies named Erhard over these years was 110.