Pauline "Polly" Adams is an English actress. She is best known for her work on the stage both in England and in the United States, and for her portrayal of Mrs. Brown in the 1990s television series Just William. She made her Broadway debut in a 1975 revival of London Assurance as Grace Harkaway, for which she was nominated for a Drama Desk Award.

She has appeared in several productions in London theatres, appearing at such theatres as the Old Vic, the Oxford Stage Company, the Hampstead Theatre, the Royal National Theatre, the Greenwich Theatre, the Haymarket Theatre, the Lyric Hammersmith, the Globe Theatre, the Queen's Theatre, the Piccadilly Theatre, the Savoy Theatre, and the Royal Shakespeare Company.

Her theatre credits include Ida in The Chiltern Hundreds, Time and the Conways, A Month in the Country, Pygmalion, Tis Pity She’s a Whore, A Small Family Business, Tons of Money, Plunder, The Philanderer, Engaged, Troilus and Cressida and Don Juan Comes Back From The War, The Government Inspector, Benefactors, The Real Thing, Present Laughter, The Importance of Being Earnest, Hay Fever, The Merchant of Venice, Private Lives, The Complaisant Lover, and Relatively Speaking.

She worked on television in the UK, appearing in shows including The Ruth Rendell Mysteries, Element of Doubt, Just William, A Dark-Adapted Eye, The Cinder Path, Blisters , Inspector Alleyn, Bonjour la Classe, The Camomile Lawn, Sob Sisters, Executive Stress, The Murder at the Vicarage, Faint-Hearted Feminist, Winter Sunshine, Goodbye Darling , Tribute to the Lady, Upstairs, Downstairs, The First Churchills, The Spoils of Poynton, Pride and Prejudice, and Compact and Sea Song.