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Hong Seung-han

Known for: Acting

Born: October 2, 2003

Place of birth: Ilsan, Goyang, Gyeonggi, South Korea

Hong Seung-han (born October 2, 2003), known mononymously as Seunghan, is a South Korean singer. He is a former member of the South Korean boy band Riize, debuting under SM Entertainment in 2023. He debuted as a soloist in July 2025 with the release of Waste No Time under the stage name XngHan.