Phoebe Mary Waller-Bridge (born July 14, 1985) is an English actress and screenwriter. She is best known as the creator, head writer, and star of the BBC sitcom Fleabag (2016–2019), which was based on her one-woman show of the same name. She was also showrunner, head writer, and executive producer of the first season of Killing Eve (2018–2022), which she adapted for television.

For Fleabag, Waller-Bridge received the British Academy Television Award for Best Female Comedy Performance, three Emmy Awards (Outstanding Lead Actress in a Comedy Series, Outstanding Writing for a Comedy Series, and Outstanding Comedy Series), and two Golden Globe Awards (Best Actress – Television Series Musical or Comedy and Best Television Series – Musical or Comedy).

Waller-Bridge also created, wrote, and starred in the Channel 4 comedy series Crashing (2016). She appeared in the comedy series The Café (2011–2013) and the second season of Broadchurch (2015). She has appeared in films such as Albert Nobbs (2011), The Iron Lady (2011), Goodbye Christopher Robin (2017), and as the droid L3-37 in the Star Wars film Solo: A Star Wars Story (2018). She also contributed to the screenplay of the James Bond film No Time to Die (2021).