Lady Anne Mary Gabrielle Lambton (born 4 July 1954) is a British actress.

Lambton is a younger daughter of Antony Lambton (formerly 6th Earl of Durham) and his wife Bindy née Blew-Jones. Her older sister is Lucinda Lambton, the British writer, photographer and broadcaster. One of her first roles was as Linda in Sid and Nancy (1986) and then as a witch in the 1990 film, The Witches. Lambton's recent appearances include Brothers of the Head and Mrs. Henderson Presents (both 2005) and The Edge of Love (2008).