Cailee Johnamae Spaeny (born July 24, 1998) is an American actress. Spaeny's first major role was in the science fiction film Pacific Rim Uprising (2018). She followed this appearing in the neo-noir film Bad Times at the El Royale (2018), the biographical films On the Basis of Sex and Vice (both 2018), the fantasy film The Craft: Legacy (2020), and the miniseries Devs (2020) and Mare of Easttown (2021).

Spaeny portrayed Priscilla Presley in the biographical film Priscilla (2023), for which she received the Volpi Cup for Best Actress and a nomination for the Golden Globe Award for Best Actress in a Motion Picture – Drama. Further recognition came in 2024 for starring in the war film Civil War and the horror film Alien: Romulus.