Eleven known species of the genus Theloderma are distributed in Indochina, eastern India, Sumatra (Indonesia) and Sri Lanka (see Appendix I ). A description of two new species is presented. Theloderma ryabovi sp. nov. originated from Kon Tum Province, Vietnam. It is characterized by a combination of the following characters: webs between fingers and toes, shape of head and body, limb proportions, nature of integument and color pattern. A second new species, Theloderma nagalandensis sp. nov. is described from Nagaland State, northeastern India. It differs from the congeners in the following characters: head shape, tympanum size, dorsal ridges and warts, webbing between fingers and toes, coloration and possesion of vomerine teeth.