The London Film Critics Circle Award for British Supporting Actress of the Year in an annual award given by the London Film Critics Circle.
| Year | Winner | Film | Role |
|---|---|---|---|
| Minnie Driver | Grosse Pointe Blank, Big Night, Sleepers, | Debi Newberry, Phyllis, Carol Martinez | |
| Kate Beckinsale | The Last Days of Disco | Charlotte Pingress | |
| Minnie Driver | Good Will Hunting | Skylar | |
| Lynn Redgrave | Gods and Monsters | Hanna | |
| Year | Winner | Film | Role |
|---|---|---|---|
| Samantha Morton | Sweet and Lowdown | Hattie | |
| Helen Mirren | Gosford Park and Last Orders | Mrs. Wilson, Amy | |
| Emily Watson | Red Dragon | Reba McClane | |
| Emma Thompson | Love Actually | Karen | |
| Romola Garai | Inside I'm Dancing | Siobhán | |
| Thandiwe Newton | Crash | Christine Thayer | |
| Emily Blunt | The Devil Wears Prada | Emily Charlton | |
| Kelly Macdonald | No Country for Old Men | Carla Jean Moss | |
| Vanessa Redgrave | Atonement | Briony Tallis | |
| Tilda Swinton | The Curious Case of Benjamin Button | Elizabeth Abbott | |
| Anne-Marie Duff | Nowhere Boy | Julia Lennon | |