Cica Zhou (simplified Chinese: 周韦彤; traditional Chinese: 周韋彤; pinyin: Zhōu Wěitóng; born 26 August 1982) is a Chinese actress and model of Sui ethnicity.

Zhou was born and raised in Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou. She graduated from Beijing Newface Model School.

Zhou began her career as a fashion model in Beijing at age 17. In 2000, Zhou won the 6th China Model Star Contest and was rated as one of China's top 10 professional models in 2000-01.

Zhou made her acting debut in Spring in the Summer (2004), playing Miao Ge.

Zhou's first film role was uncredited appearance in the film My Crazy Father (2005). That same year, she also had a minor role as Liu Man in True Love of Heaven and Earth.

In 2009, Zhou had a supporting role in Welcome to Shama Town, an adventure film starring Sun Honglei and Lin Chi-ling.

After playing minor roles in various films and television series, Zhou received her first leading role in the horror film Lost In Panic Cruise.

In 2012, Zhou co-starred with Kimi Qiao, Francis Ng and Lam Suet in Good-for-Nothing Heros as Lucy.