Joanne Tseng Chih-chiao (Chinese: 曾之喬; born 17 November 1988) is a Taiwanese actress, singer and television host.

Tseng graduated from the National Taiwan University of Arts with a Drama & Theater degree.

[3] In 2002, Tseng, along with Esther Liu, formed a Mandopop duo called Sweety, and they debuted in 2003.

Sweety was active from 2003 to 2006 and the duo released 3 studio albums and 2 soundtracks, but the group has been on hiatus since 2007 as a result of Liu starting her studies in Paris, and Tseng focusing on her solo career.

Since becoming a soloist, Tseng has appeared and starred in numerous television series in both Taiwan and mainland China.