Four new species of the genus Rodrigama Gauld are described: R. sobaekensis sp. nov., R. koreana sp. nov., R. wooki sp. nov. and R. unmunensis sp. nov., all from South Korea. The 11 species of Rodrigama are distributed across Central America and Asia, comprising seven previously recorded species and the four new species presented here. An illustrated key to South Korean species of Rodrigama is provided.