| Summary: | Two new species of the genus <i>Scottolana</i> Huys, 2009, were collected from Korean waters. <i>S. daecheonensis</i> sp. nov. is morphologically similar to <i>S. jasani</i> Song, Kangtia, Khim, and Chullasorn, 2018, from the Yellow Sea, Korea, and <i>S. gomezi</i> Nazari, Mirshamsi, Sari, Aliabadian, and Martinez Arbizu, 2018, from Bandar Abbas, Iran. However, it can clearly be distinguished from its congeners by rostrum with two tiny lateral sensilla, 4-segemented antennule in female, and 5-segmented antennule in male, 3-segmented mandibular exopod, P3 basis with an inner spinous process on the posterior surface, P3 endopod-3 without a modified tube-pore along the inner margin in male, P4 endopod-2 crumpled inner margin with strong spinules in male, P5 second outermost seta naked, caudal rami with an unguiform extension on the inner margins, and caudal seta V with a normal base in female. <i>S. wonchoeli</i> sp. nov. is similar to <i>S. geei</i> Mu and Huys, 2004 from the Bohai Sea, and <i>S. longipes</i> (Thompson I.C. and Scott A., 1903) <i>sensu</i> Wells and Rao (1987) from the Andaman Islands, but it can clearly be distinguished from its congeners by a combination of the following features: rostrum with a broadly rounded apex, 3-segemented antennule in female and 5-segmented in male, antennary exopod 8-segmented, female genital field relatively small, extending about one-third of genital double-somite, genital somite with paired lateral spinous processes in male, P6 with a long proximal element in male, and maxillular endopod with 11 setae in total. In a molecular analysis using the mitochondrial cytochrome c oxidase subunit I (COI) and 18S ribosomal RNA (18S rRNA) genes, the interspecific distance was 20.031% for COI and 3.214% for 18S rRNA between the two new species. A key for the identification of the species of <i>Scottolana</i> is included.
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