Surveys of indigenous fungi were conducted in Songnisan National Park, Korea, from 2024 to 2025 to investigate the local mycoflora. All collected specimens were identified using a polyphasic approach combining morphological characterization with molecular phylogenetic analysis based on ribosomal DNA sequences. Consequently, six species—Aureoboletus miniatoaurantiacus, Boletus bainiugan, Lactarius mirus, Phaeotremella yunnanensis, Ramaria rubella, and Xerocomus galbanus—were identified for the first time in Korea. This study provides detailed morphological descriptions and phylogenetic evidence for these six newly recorded macromycetes, contributing to the documented fungal biodiversity of the Korean Peninsula.