Kerry Condon (born 9 January 1983) is an Irish actress. She was the youngest actress to play Ophelia in a Royal Shakespeare Company production of Hamlet (2001–2002). She played Octavia of the Julii in Rome (2005–2007), Stacey Ehrmantraut in Better Call Saul (2015–2022), and was the voice of the artificial intelligence entity F.R.I.D.A.Y. in various films in the Marvel Cinematic Universe.

Condon has collaborated with Martin McDonagh in the plays The Lieutenant of Inishmore (2001) and The Cripple of Inishmaan (2009), as well as the films Three Billboards Outside Ebbing, Missouri (2017) and The Banshees of Inisherin (2022). For her performance in the latter she received several accolades, including the BAFTA Award for Best Actress in a Supporting Role, and was nominated for the Academy Award for Best Supporting Actress.