Norodom Preysophon (, born 18 November 1954) is a Cambodian prince, a Member of the Supreme Privy Council to His Majesty the King of Cambodia, and an Advisor to the Royal Secretariat of His Majesty the King of Cambodia. He is the youngest son of King Norodom Suramarit and Lok Khun Tep Kanha Sophea Yeap Kim An, and thus the younger brother of Princess Norodom Vichara, Prince Norodom Sirivudh, and a step brother of King Norodom Sihanouk.
His Royal Highness Prince Norodom Preysophon was appointed by His Majesty the King as a Member of the Senate, succeeding Princess Norodom Arunrasmy, who resigned from the position in 1 September 2019, until 2024. On 26 July 2023, His Majesty the King of the Kingdom of Cambodia graciously elevated His Royal Highness Prince Norodom Preysophon to the royal rank of Sdech Krom Khun Norodom Preysophon ().