Phyllida Law (born 8 May 1932) is a Scottish actress.
She was born in Glasgow to William and Megsie Law, who divorced after World War II.
Law has worked extensively in television, including appearances in Dixon of Dock Green and Rumpole of the Bailey. In 2007 she played Aunt Auriel in the drama Kingdom (TV series) starring Stephen Fry. She was married to Eric Thompson until his death in 1982. Their two children Emma and Sophie Thompson are both actresses.
She has appeared in films such as Peter's Friends (1992), Much Ado About Nothing (1993) and The Winter Guest (1997), some with her daughters Emma and Sophie in Peter's Friends and Emma (1996) respectively.