Lucy Liu (born December 2, 1968) is an American actress and artist who has worked in both television and movies. She has received two Screen Actors Guild Awards and has won a Critic's Choice Award and a Seoul International Drama Award. She has also been nominated for a Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series and has received nominations for three People's Choice Awards and two Saturn Awards.

Liu is best known for her roles as Ling Woo in the television series Ally McBeal (1998–2002), Alex Munday in two Charlie's Angels films (2000 and 2003) and Joan Watson in the crime-drama series Elementary (2012–2019). Her film work includes starring in Payback (1999), Shanghai Noon (2000), Chicago (2002), Kill Bill: Volume 1 (2003), Lucky Number Slevin (2006), The Man with the Iron Fists (2012), and Set It Up (2018). She has notably provided voice acting for Master Viper in the Kung Fu Panda franchise (2008–2016) and Silvermist in the Tinker Bell series (2008–2015). Her other voice credits include Mulan II (2004), as well as the English and Mandarin-dubbed versions of Magic Wonderland (2014) and The Tale of the Princess Kaguya (2013).