In Greek mythology, the name Canthus (Κάνθος) may refer to:
Canthus, one of the Argonauts, son of Canethus and grandson of Abas (alternately, son of Abas). He was killed by Caphaurus (or Cephalion), son of Amphithemis and Tritonis, in Libya. According to Valerius Flaccus, however, he was killed by Gesander during the Colchian war.
Canthus, one of the sons of Aegyptus, who married and was killed by Eurydice, daughter of Danaus.