Sơn Ngọc Thành was a Cambodian nationalist and republican politician, with a long history as a rebel leader and a government minister.

The Khmer Krom are ethnically Khmer people living in or from the Mekong Delta, the south western part of Vietnam known in Khmer as Kampuchea Krom. The Khmer Krom people are considered as the Indigenous people of Southern Vietnam and having the oldest extant recorded history of inhabiting in the region. In Vietnam, they are recognized as one of Vietnam's fifty-three ethnic minorities.