Axius may refer to:
Geography Orontes River, also known as Axios or Axius, river in Lebanon, Syria, and Turkey Vardar, also known as Axios or Axius, a river in Macedonia and Greece
People Members of the Axia gens, a plebeian family of ancient Rome
Other uses Axius (crustacean), a genus of decapods, also known as mud lobsters Axius (mythology), the god of the river Axius
See also Axis (disambiguation) Axios (disambiguation)