Ocalea or Okalea (Ancient Greek: Ὠκαλέα, romanized: Ōkalea, rarely Ὠκαλέαι), later Ocaleia or Okaleia (Ὠκάλεια), was a town in ancient Boeotia, Greece. It lay in the middle of a long narrow plain, situated upon a small stream of the same name, bounded on the east by the heights of Haliartus, on the west by the mountain Tilphossium, on the south by a range of low hills, and on the north by the Lake Copais. Its site is tentatively located near modern .