A new genus and thirteen species of jumping spiders from northern Vietnam are reported. Zabkagen. nov. is erected to accommodate two species transferred from Euophrys Blackwall,1841, including the generotype, Z. cooki (Żabka, 1985), comb. nov., and Z. xuyei (Lin & Li, 2020), comb. nov. Twelve new species are described: Chinattus crewsaesp. nov. (♂♀), C. logunovisp. nov. (♂♀), Eupoa maidinhyenisp. nov. (♂♀), E. maddisonisp. nov. (♂♀), E. ninhbinhsp. nov. (♂), E. zabkaisp. nov. (♂♀), Indopadilla cucsp. nov. (♂♀), Synagelides anisp. nov. (♂♀), S. miisp. nov. (♂♀), S. pengisp. nov. (♀), S. sanchasp. nov. (♂♀), and Yaginumaella hagiangsp. nov. (♂). The unknown male of Zabka cooki is described for the first time. Diagnostic photos of the habitus and copulatory organs are provided.

Five new species of the spider family Araneidae Clerck, 1757 from Vietnam are described: Araneus eugeneisp. nov. (♂♀), A. ethanisp. nov. (♀), A. liamisp. nov. (♂♀), Hypsosinga ryanisp. nov. (♂♀), and H. zionisp. 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.