Chao Sukkhasoem (also spelled Souka-Seum, Suk Soem or Sukha-Söm; Lao: ເຈົ້າສຸຂະເສີມ; 1797–23 September 1850) was the king of Luang Phrabang from 1839 to 1850.^[1]

He was the eldest son of Manthaturath. Before his succession he was taken as hostage in Bangkok.^{[citation needed]} After his father's death, he was not allowed to return until 1838.^{[citation needed]} He was crowned the king in 1839.^[1]

During his reign, Luang Phrabang put down a rebellion by the Tai Lue of Sipsong Panna.^[1] He died on 23 September 1850, succeeded by his younger brother Chantharath.^{[citation needed]}