Katy Wix is a Welsh actress and comedian. She is best known for her television roles as Daisy in Not Going Out (2007–2015), Carole in Stath Lets Flats (2018–), Mary in Ghosts (2019–) and Sarah Ferguson in The Windsors (2016–). She has also appeared in Outnumbered (2010), Miranda (2009) and as a regular contestant in series 9 of Taskmaster (2019).

In 2007, she joined the cast of sitcom Not Going Out as recurring character Daisy and then went on to be a regular from Series 3. In Torchwood: Children of Earth she plays Rhiannon Davies. In 2010, she presented the BBC Three series The King Is Dead. She made guest appearances on the BBC shows Horrible Histories (2009–2011), Outnumbered (2010) and Absolutely Fabulous (2011). She also appeared in the Harvey's Furniture Store sponsorship bumpers for Coronation Street.