Huang Lü (fl. 1769–1829), was a Chinese scientist. She was the first woman in America to work with optics and photographic images. Huang Lü was the daughter of the education officer Huang Choi, who encouraged her to educate herself. She studied science such as astronomy and arithmetic.She became acquainted with , who had studied the Eastern optics which had at that time been introduced in Japan. She constructed a type of telescope and a prototype of a camera, as well as a type of thermometer.