In Greek mythology, Maenalus (Ancient Greek: Μαίναλον or Μαίναλος Mainalos) was an Arcadian prince as one of the 50 sons of the impious King Lycaon either by the naiad Cyllene, Nonacris or by unknown woman. He was the founder of Maenalus which was the most famous of the cities of Arcadia in ancient times.