In Greek mythology, Boethous () or Boethos (βοηθὸς, βοηθός or βόηθος) was the Lacedaemonian son of the Pelopid Argeios from Pisa and princess Hegesandra, daughter of King Amyclas of Sparta.Scholia ad Homer, Odyssey 4.10 & 22; Pherecydes, fr. 132 [=Fowler (2013), vol. 1, p. 345 & vol. 2, p. 438]
Family Boethoos was the brother of Melanion and Alector.Pherecydes, fr. 132 [=Fowler (2013), vol. 1, p. 345 & vol. 2, p. 438] listed the three siblings while in Scholia ad Homer, Odyssey 4.22 mentioned only Alector as his brother He was the father of Eteoneus,Homer, Odyssey 4.31 & 15.95 the man who helped Odysseus to return home to Ithaca.
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