The genus Xyrosaris Meyrick, 1907 from Korea is reviewed. Two new species, Xyrosaris vaginata sp. nov. and X. triacantha sp. nov. are described from Korea, along with notes on allied species of the genus. In addition, X. insuralis Ponomarenko & Beljaev, 2023 is reported for the first time from Korea, including a new host plant. Key to species, illustrations of adult, male and female genitalia, diagnoses, host plants, and descriptions are provided.