Laura Donnelly (born 24 June 1982) is an actress from Northern Ireland. She studied at the Royal Conservatoire of Scotland before her early roles on stage and screen. She is known for her collaborations with playwright Jez Butterworth, acting in The River (2012, 2015), The Ferryman (2017–2019) and The Hills of California (2024). She is the recipient of a Laurence Olivier Award as well as a nomination for two Tony Awards.

On television, she is known for her roles in the Starz series Outlander (2014–2017), the ITV series Beowulf (2016), and the HBO series The Nevers (2021–2023).