Maria Fitzherbert (1756–1837) was a putative wife of George IV of the United Kingdom.
Mrs. Fitzherbert may also refer to:
- Mrs. Fitzherbert, U.S. title of Princess Fitz, 1945 historical novel by Winifred Carter
- Mrs. Fitzherbert (film), 1947 adaptation of Princess Fitz, also released as Princess Fitz and A Court Secret
- Mrs Fitzherbert, 1960 biography by Anita Leslie