Laura Donnelly (born 1982) is an actress from Northern Ireland. She made her on-screen debut in 2005 in the Channel 4 drama Sugar Rush, where she featured as a love interest of the female protagonist in two episodes. She is also known for appearing in Casualty, Hex, and as a main character in the Irish film Insatiable (2008). She recently starred in Best: His Mother's Son, a BBC drama on the life of George Best, playing Best's sister, Barbara.

Donnelly attended Rathmore Grammar School in Belfast, where she grew up. She then moved to Glasgow to study at the Royal Scottish Academy of Music and Drama.[3] After graduating in 2004, she had a series of roles in the theatre in Ireland and Scotland before moving to London, where her career in television began. Donnelly is the longtime girlfriend of Nathan Connolly, the lead guitarist from the Northern Irish band, Snow Patrol.