Chao Chantharath (Lao: ເຈົ້າຈັນທະຣາດ; 1799–23 August 1870) also known as Chandakumara, Chantharad or Tiantha-koumane, was king of Luang Phrabang under Siamese rule from 1852 to 1868.

Chao Chantharath
ເຈົ້າຈັນທະຣາດ
King of Luang Phrabang
King of Luang Phrabang
Reign23 September 1850 - 1 October 1868
PredecessorSukkhasoem
SuccessorOun Kham
Born1799
Died23 August 1870
Luang Phrabang
HouseLuang Phrabang
FatherManthathurath
MotherKhamone

Chantharath was the second son of Manthathurath. He succeeded his elder brother Sukkhasoem in 1852. During his reign, the kingdom confronted by serious local, regional, and international threats. In 1864, Haw rebels raided the country. He freed Principality of Xiangkhouang (Muang Phuan) from Vietnamese and Haw rebels. In 1828, the Siamese king Mongkut returned the Phra Bang Buddha to Luang Phrabang. He died in 1870. Later, his brother Oun Kham succeeded.

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Chantharath
Born: 1799 Died: 23 August 1870
Regnal titles
Vacant
Title last held by
Sukkhasoem
King of Luang Phrabang
1852–1868
Vacant
Title next held by
Oun Kham