Tang Wei, born October 7, 1979, is a Chinese actress. She was selected from more than 10,000 actresses to appear in Ang Lee's Lust, Caution (Winner of the 2007 Golden Lion award) as Wong Chia Chi, co-starring Tony Leung Chiu-Wai, Joan Chen, and Wang Lee-Hom. For the role of Wong Chia Chi, she has won in category Best New Performer of Golden Horse award. She has also been nominated for the Independent Spirit Award.
On 5 October 2007, Tang revealed that her Western name is Rebecca in an interview on KTSF television channel 26 in San Francisco. Her mother is an actress and her father is a painter.
Tang was nominated for the BAFTA Rising Star Award for her role in Lust, Caution in 2008.
In early March 2008 it was reported that some of Tang Wei's commercial sponsors had dropped her television and print ads due to her performance in the movie Lust, Caution. This included Tang Wei's forthcoming TV commercials (for skincare among other things).