Six new species of the genus Lipotactes Brunner, 1898 are described: three species from Vietnam – L. serratussp. nov., L. angulatussp. nov., L. productussp. nov.; two species from Cambodia – L. discussp. nov. and L. samkossp. nov.; and one species from Thailand – L. saengerisp. nov. The diagnostic characters are illustrated. Additional records are reported for L. vietnamicus Gorochov, 1993 and L. azureus Gorochov, 1996. The striking azure blue color of the alive male of L. azureus that contrasts with the green and white museum specimen is documented. An updated key to the species of Lipotactes from Vietnam, Cambodia, and Thailand is provided.