Nina Liu (born 15 June 1977) is an Australian actress of Chinese descent. She played Chloe in the television series The Secret Life of Us.
Liu studied acting at Western Australian Academy Of Performing Arts (WAAPA) from 1999 to 2002.
Liu has starred in several TV series, including the first season of Spellbinder as Lia, the fifth season of Heartbreak High as Mai Hem, Something in the Air, as Dr Annie Young, the third season of The Secret Life of Us as Chloe and in Shaun Micallef's legal comedy Welcher & Welcher as Tia the receptionist. She has also made guest appearances in Big Sky, Wildside and Water Rats.
She has had roles in the Australian films Little Fish (2005) alongside Cate Blanchett and Sam Neill, and The Book of Revelation (2006). She also appeared in the docu-drama ' which aired on the Discovery Channel in 2007.
Liu currently lives in Berlin where she has appeared in several German films.