Tang Wei (born 7 October 1979) is a Chinese actress. She rose to prominence for her appearance in Lust, Caution (2007). She has received various accolades, including a Cannes Film Festival Award, a Golden Horse Film Festival Award and a Baeksang Arts Award, in addition to nomination for a British Academy Film Award.

Tang ranked 70th on Forbes China Celebrity 100 list in 2013, 38th in 2014, 55th in 2015.