| St. Louis Gateway Film Critics Association Award for Best Actress | |
| Image Upright: | 0.7 |
| Awarded For: | Best Performance by an Actress in a Leading Role |
| Presenter: | St. Louis Gateway Film Critics Association |
| Country: | United States |
| Year: | Hilary Swank Million Dollar Baby (2004) |
| Holder: | Lily Gladstone Killers of the Flower Moon (2023) |
The St. Louis Gateway Film Critics Association Award for Best Actress is one of the annual awards given by the St. Louis Gateway Film Critics Association.
| Year | Nominee | Film | Role | |
|---|---|---|---|---|
| Hilary Swank | Million Dollar Baby | Maggie Fitzgerald | ||
| Judi Dench | Mrs. Henderson Presents | Laura Henderson | ||
| Helen Mirren | The Queen | Queen Elizabeth II | ||
| Elliot Page | Juno | Juno MacGuff | ||
| Kate Winslet | The Reader | Hanna Schmitz | ||
| Carey Mulligan | An Education | Jenny Mellor |