Nguy?n S? Ng?c (25 December 1919 – 6 April 1990 in Hanoi) was a Vietnamese painter.
He was notable among painters for subversive political stances.
After 1944 he was a faculty member at the renamed EBAI, Hanoi University of Fine Arts, but for his participation in the journal Nhân Van he spent 1957-1959 in a re-education camp.
After his release, until his retirement in 1983 he was an executive on the Arts Committee.