Five new spider species of the genus Pholcus Walckenaer, 1805, P. duryunsp. nov., P. hwaamsp. nov., P. mohangsp. nov., P. woraksp. nov., and P. yangpyeongsp. nov., belonging to the P. phungiformes group in the family Pholcidae C. L. Koch, 1850, are newly described from South Korea. These new species were collected from mixed forests in mountainous, hilly, and coastal terrains. This study provides the diagnoses, detailed descriptions, distribution maps, and taxonomic photographs of these new species.