Saki Hatsumi is a Japanese former pornographic film actress who was active between 2010 and 2017. A highly prolific and versatile performer, Hatsumi has over 900 credited AV appearances spanning over seven years and numerous genres.

She is also a voice actress and singer. Born in October 15, 1990 in Chiba prefecture, Hatsumi debuted as an adult-film actress in January 2010 under the name Shizuku. In an interview, she said her decision to become an AV actress was made during her high school years.