Kate O'Flynn (born 1985) is a British actress of stage and screen. She is known for her performance in National Theatre's production of Port for which she received a Critics' Circle Theatre Award in 2014, as well as starring roles in plays A Taste of Honey in 2014, and The Glass Menagerie for which she was nominated for a Laurence Olivier Award for Best Actress in a Supporting Role in 2017.
On screen, O'Flynn has had recurring TV roles in Everyone Else Burns (2023–2024), Landscapers (2021) and My Lady Jane (2024). She has also appeared in the films Happy-Go-Lucky (2008) and Bridget Jones's Baby (2016). She currently stars in the Apple TV comedy horror series Widow's Bay (2026), for which she received a Primetime Emmy Award nomination.
