Wang Zhenyi (simplified Chinese: 王贞仪; traditional Chinese: 王貞儀; pinyin: Wáng Zhēnyí; 1768–1797) was a scientist from the Qing dynasty. She breached the feudal customs of the time, which hindered women's rights, by working to educate herself in subjects such as astronomy, mathematics, geography, and medicine. She was well known for her contributions in astronomy, mathematics, and poetry. She was an acclaimed scholar: "An extraordinary woman of 18th century China."