The London Film Critics Circle Award for British/Irish Actress of the Year in an annual award given by the London Film Critics Circle.
| Year | Winner | Film | Role |
|---|---|---|---|
| Miranda Richardson | Damage | Ingrid Fleming | |
| Crissy Rock | Ladybird, Ladybird | Maggie Conlan | |
| Kate Winslet | Heavenly Creatures | Juliet Hulme | |
| Brenda Blethyn | Secrets & Lies | Cynthia Rose Purley | |
| Judi Dench | Mrs Brown | Queen Victoria | |
| Helena Bonham Carter | The Wings of the Dove | Kate Croy | |
| Emily Watson | Angela's Ashes and Hilary and Jackie | Angela McCourt and Jacqueline du Pré | |
| Year | Winner | Film | Role |
|---|---|---|---|
| Julie Walters | Billy Elliot | Sandra Wilkinson | |
| Judi Dench | Iris | Iris Murdoch | |
| Lesley Manville | All or Nothing | Penny | |
| Anne Reid | The Mother | May | |
| Eva Birthistle | Ae Fond Kiss... | Roisin Hanlon | |
| Kate Winslet | Eternal Sunshine of the Spotless Mind | Clementine Kruczynski | |
| Rachel Weisz | The Constant Gardener | Tessa Abbott-Quayle | |
| Helen Mirren | The Queen | Elizabeth II | |
| Julie Christie | Away from Her | Fiona Anderson | |
| Kristin Scott Thomas | I've Loved You So Long | Juliette Fontaine | |
| Carey Mulligan | An Education | Jenny Mellor | |
| Year | Winner | Film | Role | |
|---|---|---|---|---|
| Lesley Manville | Another Year | Mary Smith | ||
| Olivia Colman | The Iron Lady and Tyrannosaur | Carol Thatcher and Hannah | ||
| Andrea Riseborough | Shadow Dancer | Colette McVeigh | ||
| Judi Dench | Philomena | Philomena Lee | ||
| Rosamund Pike | Gone Girl and What We Did on Our Holiday | Amy Elliott-Dunne and Abi McLeod | ||
| Saoirse Ronan | Brooklyn and Lost River | Eilis Lacey and Rat | ||
| Kate Beckinsale | Love and Friendship | Lady Susan Vernon | ||
| Sally Hawkins | Maudie, Paddington 2, and The Shape of Water | Maud Lewis, Mary Brown, and Elisa Esposito | ||
| Jessie Buckley | Beast and Wild Rose | Moll Huntford and Rose-Lynn Harlan | ||
| Florence Pugh | Fighting with My Family, Little Women, and Midsommar | Saraya "Paige" Knight, Amy March, and Dani Ardor |
| Year | Winner | Film | Role |
|---|---|---|---|
| Morfydd Clark | Eternal Beauty and Saint Maud | Young Jane and Katie / Maud | |
| Tilda Swinton | The French Dispatch, Memoria and The Souvenir Part II | J.K.L. Berensen, Jessica Holland and Rosalind Hart | |
| Florence Pugh | Don't Worry Darling, and The Wonder | Alice Chambers, Goldilocks, and Elizabeth "Lib" Wright | |