Katie Clarkson-Hill (born Katie Clarke) is an English actress. From Doncaster, she attended The McAuley Catholic High School. She changed her professional name to Clarkson-Hill as Katie Clarke was already registered.

Clarkson-Hill made her acting start in a widely-seen 2015 advertisement for Wrigley's chewing gum entitled Sarah and Juan, in which she played an American high-schooler in love, set to a cover of Can't Help Falling in Love by Haley Reinhart, which garnered on-line praise. Her early television roles included long-running BBC serials Doctors and Holby City.

In 2019, Clarkson-Hill had a main role as Dr Zoe Wade in the second series of BBC One hospital drama Trust Me alongside John Hannah and Alfred Enoch. She appeared in the second series of Amazon Prime Video drama series Hanna and the American series Guilt. In 2023, she could be seen in Channel 4 series The Couple Next Door. She has an upcoming role in Catalyst Studios film Switch & Bait alongside Otmara Marrero, directed by Michelle Salcedo. In 2024, she can be seen in racing drama film Race for Glory: Audi vs. Lancia with Riccardo Scamarcio.