Mycale may refer to:

• Mycale, a mountain in Turkey
• Mycale (genus), a genus of demosponges in the family Mycalidae
• Mycale (vocal ensemble), an American avant-garde vocal group

• Leonard Patrick (Red) Kelly
• Leonard Pennario
• Leonard Peters
• Leonard Peterson
• Leonard P. Guarente
• Leonard Piatek
• Leonard Piontek
• Leonard Pitts
• Leonard P. Moore
• Leonard Pope
• Leonard Postero
• Leonard Prestige
• Leonard Preyra
• Leonard Q. Ross
• Leonard Raffensperger
• Leonard Randolph Wilkens
• Leonard Ratzlaff
• Leonard Ravenhill
• Leonard Ray Blanton
• Leonard R. Blanton
• Leonard R. Brand
• Leonard Reid House
• Leonard Reinsch
• Leonard Rich
• Leonard Richards Stakes