Wang Ziwen (Chinese: 王子文; pinyin: Wáng Zǐwén, born 28 February 1987), also known by her English name Olivia Wang and now as Ava Wang, is a Chinese actress. She is most known for portraying Qu Xiaoxiao in the popular Chinese television drama Ode to Joy and as Xuxu in When a Snail Falls in Love.

Wang ranked 87th on Forbes China Celebrity 100 list.