Lim Jae-hyun (; born 1997) is a South Korean singer. He debuted in 2017 and rose to fame in 2019 with his song "If There Was Practice in Love", which reached number one on South Korea's Circle Digital Chart. He topped the chart again in 2024 with "Rhapsody of Sadness", a remake of Choi Jae-hoon's song from 2000.