2nd century AD; died 153), was a Roman client king of the Bosporan Kingdom.

On coinage, his royal title is in Greek: ΒΑΣΙΛΕΩΣ ΡΟΙΜΗΤΑΛΚΟΥ ("of King Rhoemetalces").

According to the Historia Augusta, at an unknown date in the reign of Antoninus Pius, Rhoemetalces travelled to Rome for a hearing of a dispute between him and the imperial commissioner.

Tiberius Julius, king Rhoimetalces, a friend of the Caesar and of the Romans, pious, having gathered and augmented the lands of Thianneoi that were dedicated to by Letodoros, and pelatoi, according to the record on the monument that stands nearby, that decreased with time, restored them safe to the goddess, by the concern of Alexandros, son of Myreimos, the minister of religion, in 448, in the month of Apellaios, 20.Not much more is known of his reign and life.

[2] Rhoemetalces is known to have had at least one son, Sauromates II,[2] who succeeded Eupator as king in the 170s.