Ana Celia de Armas Caso (Spanish: [ˈana ˈselja ðe ˈarmas ˈkaso]; born 30 April 1988) is a Cuban and Spanish actress. She began her career in Cuba and had a leading role in the romantic drama Una rosa de Francia (2006). At age 18, she moved to Madrid, Spain, and starred in the popular teen drama El Internado for six seasons from 2007 to 2010.

After moving to Los Angeles, de Armas had English-speaking roles in the psychological thriller Knock Knock (2015) and the comedy-crime film War Dogs (2016), and had a supporting role in the sports biopic Hands of Stone (2016). She rose to prominence with her role as a holographic AI projection in the science fiction film Blade Runner 2049 (2017). For her performance as nurse Marta Cabrera in the mystery film Knives Out (2019), de Armas was nominated for the Golden Globe Award for Best Actress in a Comedy or Musical and won the Saturn Award for Best Supporting Actress. She subsequently played Bond girl Paloma in the James Bond film No Time to Die (2021) and Marilyn Monroe in the film Blonde (2022).