Sarah Niles (born 17 June 1987) is a British film, television and theatre actress. She is best known for her roles in Fantastic Four: First Steps, F1: The Movie, and Heads of State (all 2025), as well her Emmy Award-nominated performance as Dr. Sharon Fieldstone in the Apple TV series Ted Lasso.

Her other works include Mister Eleven and Beautiful People (2009), Thorne: Sleepyhead (2010), Spotless (2015), Catastrophe (2015–2019), Trust Me (2019), I May Destroy You and Trying (2020), Viewpoint (2021), and Riches and The Sandman (2022).