Inachus (disambiguation)

Inachus or Inachos (Greek: Ίναχος) is:


 * Inachos, a former municipality in Greece, Aetolia-Acarnania Regional Unit
 * Inachos, a village in Greece, Argolis Regional Unit
 * Inachos, a river flowing into the Aegean Sea
 * Inachus, a king of Argos and personification of the same named river
 * Inachos, a river flowing into the river Achelous
 * Inachus, a genus of crabs