Nine new species of the orb-weaver spider family Araneidae Clerck, 1757 from Menglun Town, Xishuangbanna, Yunnan, China are described: Acusilas tongi sp. nov. (male female), Chorizopes yui sp. nov. (male female), Chorizopesoides guoi sp. nov. (male female), Deione cheni sp. nov. (female), D. yangi sp. nov. (male female), Hypsosinga pulla sp. nov. (male female), Mangora baii sp. nov. (male female), M. cephala sp. nov. (male female) and Milonia gemella sp. nov. (male female). The genus Milonia Thorell, 1890 is recorded from China for the first time. The previous description of Chorizopesoides wulingensis (Yin, Wang & Xie, 1994) from Libo County, Guizhou by Mi and Wang (2018) refers to Chorizopesoides annasestakovae sp. nov. (male female). Diagnostic photos of the habitus and copulatory organs of the new species are provided.