Nguyễn Thị Thanh An (born 17 June 1976) is a Vietnamese chess player.
She has qualified for the Women's World Chess Championship 2015 through a zonal tournament, losing to Antoaneta Stefanova in the first round.
With the Vietnamese national women's team she took part in Chess Olympiads: 2000 in Istanbul, 2002 in Bled, 2004 in Calvia, 2006 in Turin, 2010 in Khanty-Mansiysk, 2016 in Baku.
[1] In 2007 and 2011 she participated in the World Team Chess Championship.
[1] This biographical article relating to a Vietnamese chess figure is a stub.