Lorraine Pilkington is an Irish actress.
She was who is best known for her role as Katrina Finlay from Monarch of the Glen. Trained at the Gaiety School of Acting, Pilkington began her career at the age of 15 when she appeared in The Miracle directed by Neil Jordan. She appeared onstage in the plays The Plough and the Stars and The Iceman Cometh. In 2000, she was cast as Katrina Finlay, a schoolteacher in a Scottish village in the BBC television series Monarch of the Glen. After leaving the show at the beginning of the third season, she appeared in various other television productions such as Rough Diamond and Outnumbered.