Haliacmon (or Aliacmon, Ancient Greek: Ἁλιάκμων) was in Greek mythology a son of Oceanus and Thetis.
He was a minor river god in his own right, of the eponymous Haliacmon in Macedonia.
[1][2] In other mythological traditions he was the son of Palaestinus and grandson of Poseidon.
This article incorporates text from a publication now in the public domain: Schmitz, Leonhard (1870).
Dictionary of Greek and Roman Biography and Mythology.