Jessica Yu-Li Henwick (born 30 August 1992) is an English actress, writer, and director. She began her career in the BBC series Spirit Warriors (2010) and Silk (2014). She then played Nymeria Sand in the HBO series Game of Thrones (2015–2017), Testor in the film Star Wars: The Force Awakens (2015), and Colleen Wing in the Marvel series Iron Fist (2017–2018).

In addition to her voice work, Henwick has since starred in the films Love and Monsters (2020), The Matrix Resurrections (2021), and Glass Onion. Her short film Bus Girl (2022) was nominated for a British Academy Film Award.