Rosella Lau (Chinese: 劉俐; pinyin: Liú Lì, born 17 September 1989) is a Hong Kong model and actress who has appeared in a number of television series and feature films.
In 2008 she signed to the TVB as its artist after which her first performance was in the television show Boom Boom Ba.
At the end of 2014, after leaving TVB, she became a freelancer.
At the age of twelve Rosella Lau with her family moved from China's Fujian Wuping to Hong Kong.
She started as a part-time model at junior high school, then turned full-time after graduation because of her success in the television programme Boom Boom Ba which was her entry to the entertainment industry.