Peperomia (Piperaceae) is a Pantropical genus with approximately 1,700 species, distributed mainly in the Neotropics. In this study, three new species of Peperomia, P. bahiensis, P. ilheusensis and P. mendanhensis belong to subg. Multipalmata are described for the Brazilian Atlantic Forest. Detailed descriptions, illustrations, distribution maps and an identification key for the species are provided. Keywords: Rio de Janeiro, Bahia, Piperales, Neotropics.