Gonioctena borowieci sp. nov. is described from Vinh Phuc province, Vietnam. Gonioctena jolantae Cho, 2022 originally described from Laos is found in Houaphanh province, Vietnam. They represent the first record of the nominotypical subgenus Gonioctena from Vietnam. DNA barcode sequences of both species are obtained and deposited in GenBank. A key to all the known Vietnamese species of the genus Gonioctena is provided.