In Greek mythology, Boethous () or Boethos (òÿ÷øὸÃÂ, òÿ÷øÃÂàor òÃÂ÷øÿÃÂ) was the Lacedaemonian son of the Pelopid Argeios from Pisa and princess Hegesandra, daughter of King Amyclas of Sparta.
Boethoos was the brother of Melanion and Alector. He was the father of Eteoneus, the man who helped Odysseus to return home to Ithaca.