Kurixalus odontotarsus (serrate-legged small treefrog) is a species of frog in the Rhacophoridae family. It is found in southern China, Vietnam, Laos, and possibly Myanmar. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, subtropical or tropical moist shrubland, intermittent freshwater marshes, heavily degraded former forest, and canals and ditches. It is threatened by habitat loss. Male Kurixalus odontotarsus grow to a snout-vent length of about 32 mm (1.3 in) and females about 43 mm (1.7 in).