Sihanouk was known by many formal and informal titles throughout his lifetime, and the Guinness Book of World Records identifies Sihanouk as the royal who had served the greatest variety of state and political offices.
Sihanouk dikenal dengan berbagai gelar resmi dan tak resmi sepanjang masa hidupnya, dan Guinness Book of World Records mengidentifikasikan Sihanouk sebagai raja yang memegang jumlah jabatan politik dan negara terbanyak.