Masarautar Cambodia, wacce kuma aka fi sani da Masarautar Kambodiya ta Farko, wacce aka fi sani da zamanin Sangkum, tana nufin gwamnatin Norodom Sihanouk ta farko ta Cambodia daga 1953 zuwa 1970, wani lokaci mai matukar muhimmanci a tarihin kasar.Sihanouk ya ci gaba da kasancewa daya daga cikin fitattun mutane a kudu maso gabashin Asiya mai cike da rudani kuma galibi mai ban tausayi bayan yakin.Daga 1955 har zuwa 1970, Sihanouk's Sangkum ita ce kawai jam'iyyar doka a Cambodia.^[84]Bayan karshen yakin duniya na biyu , Faransa ta maido da mulkin mallaka na Indochina amma ta fuskanci turjiya a cikin gida wajen adawa da mulkinsu, musamman daga sojojin gurguzu.A ranar 9 ga Nuwamba 1953 za ta sami 'yancin kai daga Faransa a karkashin Norodom Sihanouk amma har yanzu tana fuskantar turjiya daga kungiyoyin gurguzu kamar United Issarak Front.Yayin da yakin Vietnam ya karu, Cambodia ta nemi ta kasance tsaka-tsaki amma a cikin 1965, an ba da damar sojojin Arewacin Vietnam su kafa sansani kuma a cikin 1969, Amurka ta fara yakin bam a kan sojojin Arewacin Vietnam a Cambodia.Za a soke daular Cambodia a juyin mulkin da Amurka ta yi a ranar 9 ga Oktoba, 1970 karkashin jagorancin Firayim Minista Lon Nol wanda ya kafa Jamhuriyar Khmer wanda ya dade har zuwa faduwar Phnom Penh a 1975. ^[85.]