The Wahai tree frog ("Litoria " vagabunda ) is a species of frog in the family Pelodryadidae, endemic to Indonesia and known from the Vogelkop Peninsula in the north-western New Guinea, and from the Seram Island, one of the Maluku Islands (also known as the Moluccas). Little is known about this lowland species that has not been collected after it was described in 1878.