Nathaniel Hartono, also known as Nathaniel Xiang (born 26 July 1991) is a Singapore-based Indonesian singer and actor.
Nathan made his debut as a singer after he won the Teenage Icon singing competition in 2005 and released his debut album, LET ME SING! Life, Love and All That Jazz in 2006.
Nathan also ventured into acting and starred in his first television series, Halfworlds in 2015.
As the first runner-up of the first season of Sing! China, as of January 2017 he also works with the Committee to Promote Chinese Language Learning (CPCLL) to enrich the learning of the Chinese language among Singapore students.