Diedrichs is neither a first name nor a last name. However, the names that sound similar to the name Diedrichs are Dedrick, Diederick, Diederik, Dietrich and Diodorus. Dedrick is an English (African American, to be precise) masculine first name. Diederick is a German masculine first name and Diederik is its Dutch equivalent. Dietrich is a German masculine first name. On the other hand, Diodorus is an ancient Greek (Latinised) first name.

Dedrick, Diederick, Diederik and Dietrich are all forms of the name Theodoric. Diederick is a low German form of Theodoric, Diederik is a Dutch form of Theodoric and Dietrich is a German form of Theodoric.

On the other hand, Diodorus is a Latinised equivalent of the Greek name Diodoros, which means the gift of Zeus. Diodorus was a Greek historian in the first century.