Two new species of the Hyla circumdata group are described from southeastern Brazil. The type localities of both species occur in the Atlantic Forest Domain. Hyla feioi sp. nov. is described from Serra do Ibitipoca, a regional designation within the Serra da Mantiqueira, and Hyla ahenea sp. nov. is described from Serra da Bocaina, a regional designation within the Serra do Mar. Descriptions of the tadpole, advertisement call, and information on natural history are provided for H. feioi sp. nov. The advertisement call of Hyla ibitipoca is described.