Pithecopus araguaius is a species of frog in the family Hylidae, endemic to Brazil.

[1] The holotype male measured 30.6 mm long in snout-vent length.

[4] Scientists named this frog araguaius after the nearby Araguaia River.

[4] The female frog lays eggs on leaves overhanging temporary bodies of water.

[1] This frog is not considered to be in danger of dying out because of its large and variegated habitat.