Dame Katherine Patricia Routledge (/ˈraʊtlɪdʒ/ ROWT-lij; 17 February 1929 – 3 October 2025) was an English actress and singer. She was best known for her comedy role as Hyacinth Bucket in the BBC sitcom Keeping Up Appearances, for which she was twice nominated for the BAFTA TV Award for Best Light Entertainment Performance.

Routledge made her professional stage debut at the Liverpool Playhouse in 1952 and her West End debut in The Love Doctor in 1959. Making her Broadway debut in How's the World Treating You in 1966, she won the 1968 Tony Award for Best Actress in a Musical for her role in Darling of the Day. She received the 1988 Olivier Award for Best Actress in a Musical for Candide at the Old Vic. Her film appearances include To Sir, wit