The 8th Asian Spectroscopy Conference (ASC2023) will be held in Tokamachi, Niigata, Japan from September 3 to 6, 2023. ASC provides a forum for discussing the latest advances in spectroscopic research to further enhance individual research activity, collaboration, and scientific networks in Asia and Oceania. ASC2023 is the first ASC held in Japan, and aims at strengthening good relationships and creating new networks among scientists including young generation.