Ariapeithes (Scythian: ; ) was a king of the Scythians in the early 5th century BCE.
Ariapeithes's name originates from the Scythian name , and is composed of the terms , meaning "Aryan" and "Iranian," and , meaning "decoration" and "adornment."
had three wives, each of whom bore him one son:
was treacherously killed by , the king of the Agathyrsi, after which became the king of the Scythians, and took his stepmother as one of his wives.