Ana Celia de Armas Caso (Spanish: [ˈana ˈselja ðe ˈaɾmas ˈkaso]; born 30 April 1988) is a Cuban and Spanish actress. She began her career in Cuba with a leading role in the romantic drama Una rosa de Francia (2006). At the age of 18, she moved to Madrid, Spain, and starred in the popular 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). She rose to prominence with her role as the holographic AI projection Joi in the science fiction film Blade Runner 2049 (2017). For her performance as nurse Marta Cabrera in the mystery film Knives Out (2019), she was nominated for a Golden Globe Award for Best Actress. She subsequently portrayed the Bond girl Paloma in the James Bond film No Time to Die (2021) and Norma Jean in the biopic Blonde (2022). For Blonde, de Armas became the first Cuban to be nominated for an Academy Award for Best Actress.