Lydia Tamasin Day-Lewis, better known as Tamasin Day-Lewis, (born 17 September 1953 in Greenwich, London) is an English television chef, daughter of the poet Cecil Day-Lewis and actress Jill Balcon, and sister of the actor Daniel Day-Lewis.
She is currently on the Board of Governors at the Bristol Old Vic Theatre School.
She writes for the Daily Telegraph, Vanity Fair, Vogue and Food Illustrated.
After attending Bedales School, she went to Cambridge University in 1973 to read English at King's College, unlike her father, who went to Oxford University but lectured for a time at Cambridge.