Hallowell's tree frog (Hyla hallowellii) is a species of frog in the family Hylidae.
The specific name, hallowellii, is in honor of American herpetologist Edward Hallowell.[1]
Hyla hallowelii is endemic to Japan.
The natural habitats of H. halowellii are subtropical or tropical moist lowland forests, subtropical or tropical moist shrubland, subtropical or tropical seasonally wet or flooded lowland grassland, swamps, freshwater marshes, intermittent freshwater marshes, plantations, heavily degraded former forests, ponds, irrigated land, canals, and ditches.