Nguyễn Xuân Oánh, nicknamed Jack Owens, was a Vietnamese economist and politician who held senior positions in the governments of both South Vietnam and the current Socialist Republic of Vietnam.

Dr. Nguyễn Tôn Hoàn was a South Vietnamese Catholic politician, originally a physician, who led the Đại Việt Quốc Dân Đảng from the 1940s to the 1960s. He was active in South Vietnamese politics durin