Arndt \a-rn-dt, ar-ndt\ as a boy's name is a variant of Arnold (Old French, Old German), and the meaning of Arndt is "eagle ruler".

The baby name Arndt sounds like Arnot, Arnet, Arnat and Arnd. Other similar baby names are Arend, Arand, Arnett, Arnott, Arnout, Berndt, Brandt and Brendt.