Abstract
Two new Codonoboea species, C. kenaboiensis Syahida-Emiza, Y.Y.Sam & Siti-Munirah and C. ruthiae Syahida-Emiza, Y.Y. Sam & Siti-Munirah were discovered from the Kenaboi State Park, Peninsular Malaysia. Descriptions, illustrations, colour plates and provisional conservation status are provided.