Lydia Leonard is a British actress. She starred in the stage adaptation of Hilary Mantel's Bring Up the Bodies, and as Jane Rochford in the 2024 TV adaptation of Mantel's third novel in the trilogy, Wolf Hall: The Mirror and the Light. She is also known for her television roles: the BBC Two sitcom Quacks (2017), the Amazon Prime series Ten Percent (2022), and the The Crown (2022–2023) on Netflix.