Jolin Tsai (Chinese: 蔡依林, born September 15, 1980) is a Taiwanese singer, songwriter, dancer, actress and entrepreneur. She is known for reinventing both her music and image, and she is cited as a huge role of popularizing dance music as mainstream music in Greater China. Often referred to as "Asia's Dancing Queen" and "Asian Madonna", she has achieved popularity in Chinese-speaking countries by releasing a series of commercially and critically successful albums and has a dedicated fanbase worldwide.

Born and raised in Taiwan, Tsai began her singing career by winning the champion at an MTV singing competition at the age of 18. Her debut album, released in 1999 and entitled 1019, was a huge success, and she quickly became a teen idol with a large teenage fanbase. Her fifth album, Magic (2003), is regarded as one of her biggest successes so far, right after her album, Dancing Diva (2006), which sold over 2.5 million copies in Asia. After several successful albums and dozens of hits, she released her latest album, Play, in 2014.

Having sold more than 23 million records in Asia, Tsai is recognized as one of the best-selling artists in Taiwan. Her work has earned her numerous awards and accolades, including six Golden Melody Awards, an MTV Asia Award and an MTV Video Music Award. She has been acclaimed as an entrepreneur, particularly after she founded her own music production and management company Eternal in 2009. Forbes reported that she is one of the highest paid Chinese celebrities, with the estimated net worth of NT$2 billion in 2014.