Chao Ong Kham (Thai: เจ้าองค์คำ; died 1769 in Chiang Mai), also known as Ong Nok, was the king of Luang Phrabang from 1713 to 1723, later the king of Lanna from 1727 to 1769.
[1] Ong Kham was a son of Indra Kumara, who was the king of Chiang Hung (Sipsong Panna)[citation needed] and also grandson of Sourigna Vongsa.
[citation needed] He seized the Luang Phrabang throne after Kingkitsarat in 1713.
Ten years later, he was deposed by Inthasom when he was away on a hunting trip.
After Thepsin assassinated the local Burmese governor, Ong Kham was offered the throne of Lanna in 1727.