Norodom Sihamoni (Khmer: នរោត្តម សីហមុនី; born 14 May 1953) is the reigning King of Cambodia. He ascended the throne on 14 October 2004. He is the eldest son of Norodom Sihanouk and his second wife Norodom Monineath. He was Cambodia's ambassador to UNESCO and named by a nine-member throne council to become the next king after his father Norodom Sihanouk abdicated in 2004.