Katrina Jane (Katie) Mitchell (born 1964) is an English theatre director who has been an Associate of the Royal National Theatre, in London, since 2008.In 2008 she was named NT Associate by the Royal National Theatre.
Mitchell received the Evening Standard Award for Best Director in 1996 for The Phoenician Women by the Royal Shakespeare Company. Although Mitchell's work has received mixed reviews from London's theatre critics, her 2004 production of an adaptation of Euripides' Iphigenia at Aulis at the National Theatre was widely praised.
In 2008 she became an NT Associate at the Royal National Theatre.