Nguyễn Văn Thiệu
Nguyễn Bá Cẩn (9 September 1930, in Cần Thơ – 20 May 2009, in San Jose, California) was Prime Minister of South Vietnam from 4 April 1975 until 24 April 1975; serving under Presidents Nguyễn Văn Thiệu (4 April to 21 April) and Trần Văn Hương (21 April to 24 April).