Elizabeth R is a BBC television drama serial of six 90-minute plays starring Glenda Jackson as Queen Elizabeth I of England. It was first broadcast on BBC2 from February to March 1971, through the ABC in Australia and broadcast in the United States on PBS's Masterpiece Theatre. The series has been repeated several times, most recently from 15 March 2023, by BBC Four.

Glenda May Jackson was an English actress and politician. Over the course of her distinguished career she received numerous accolades including two Academy Awards, two BAFTA Awards, three Emmy Awards, a Golden Globe Award, and a Tony Award. A member of the Labour Party, she served continuously as a Member of Parliament (MP) for 23 years, initially for Hampstead and Highgate from 1992 to 2010, and Hampstead and Kilburn from 2010 to 2015, following boundary changes.