Lady Teresa Lorraine Waugh (née Onslow) (born 26 February 1940) is a British novelist and translator.
Lady Teresa was born in 1940, the daughter of the 6th Earl of Onslow and his first wife, Pamela (née Dillon). On 1 July 1961, she married the author, Auberon Waugh. Lady Teresa has translated such works as Anka Muhlstein's A Taste For Freedom: The life of Astolphe de Custine (2000), Benedetta Craveri's Madame Du Deffand and Her World (1994) and The Travels of Marco Polo (1984).
She has also written her own novels, including Painting Water (1983), Waterloo Waterloo (1985), Intolerable Burden (1987), Song at Twilight (1989), The House (2002), Sylvia's Lot (1994), The Entertaining Book (1986) and The Gossips (1995)
She has four children: Margaret Sophia Laura (1962 - ), Alexander Evelyn Michael (1963 - ), Daisy Louisa Dominica (1967 - ), and Nathaniel Thomas Biafra (1968 - ).