On five new species of the genera Araneus and Hypsosinga (Araneae, Araneidae) from Vietnam.

Five new species of the spider family Araneidae Clerck, 1757 from Vietnam are described: Araneuseugenei sp. nov. (♂♀), A.ethani sp. nov. (♀), A.liami sp. nov. (♂♀), Hypsosingaryani sp. nov. (♂♀), and H.zioni sp. nov. (♀). Diagnostic photographs of the habitus and copulatory organs are provided. Types of the new species are deposited in the Institute of Zoology, Chinese Academy of Sciences (IZCAS) in Beijing, China.