Tara Cressida Frances "Finty" Williams (born 24 September 1972) is an English actress.

Born in London, Williams trained at the Central School of Speech and Drama there, graduating in 1994. She has appeared in a number of British films, nearly always alongside her mother Judi Dench. Her picture appears in the opening credits of As Time Goes By (1992).

She had a recurring role in the TV series Born and Bred and voices the titular character in the animated children's series Angelina Ballerina. She has also worked in the theatre in plays such as Party Piece with Richard Harris, and in audiobook narration, such as Sophie Kinsella's I've Got Your Number.