Daewon Foreign Language High School (also known as Daewon, Daewon FLHS, or DFLHS; Hangeul: 대원외국어고등학교, 대원외고; Hanja: 大元外國語高等學校) is a private preparatory school located in Seoul, South Korea. Students choose one primary language as a major from Chinese, French, Japanese, Spanish, or German to study during their three years at the school. Korean and English are mandatory subjects, regardless of which focus language students choose when entering the school. There does exist, however, an English department with submajors in Japanese and Chinese. The school's primary language of instruction is Korean.