# Irish Film and Television Award for Best Actress in a Supporting Role – Film

For the first and second Irish Film and Television Awards ceremonies, supporting performances for film and television were combined into one category. Up until the 2018–2019 film season, awards were given for films released in Ireland the previous year.

## Winners and nominees
### 2000s

| Year | Actor | Work |
| 2006 3rd |
| 2006 3rd | Charlotte Bradley | The Boys From County Clare |
| 2006 3rd | Nora-Jane Noone | The Descent |
| 2006 3rd | Deirdre O'Kane | Boy Eats Girl |
| 2006 3rd | Tatiana Ouliankina | Short Order |
| 2007 4th | | |
| 2007 4th | Fionnula Flanagan | Transamerica |
| 2007 4th | Sinéad Cusack | The Tiger's Tail |
| 2007 4th | Orla Fitzgerald | The Wind That Shakes the Barley |
| 2007 4th | Ruth Negga | Breakfast on Pluto |
| 2008 5th | | |
| 2008 5th | Saoirse Ronan | Atonement |
| 2008 5th | Elaine Cassidy | And When Did You Last See Your Father? |
| 2008 5th | Anne-Marie Duff | Garage |
| 2008 5th | Gail Fitzpatrick | Strength and Honour |
| 2009 6th | | |
| 2009 6th | Saoirse Ronan | Death Defying Acts |
| 2009 6th | Sarah Bolger | The Spiderwick Chronicles |
| 2009 6th | Lesley Conroy | Eden |
| 2009 6th | Ger Ryan | Dorothy |

### 2010s

| Year | Actor | Work |
| 2010 7th |
| 2010 7th | Dervla Kirwan | Ondine |
| 2010 7th | Anne Marie Duff | Nowhere Boy |
| 2010 7th | Nora-Jane Noone | Savage |
| 2010 7th | Ger Ryan | Happy Ever Afters |
| 2011 8th | | |
| 2011 8th | Saoirse Ronan | The Way Back |
| 2011 8th | Kerry Condon | The Runway |
| 2011 8th | Marcella Plunkett | Swansong – Story of Occi Byrne |
| 2011 8th | Eileen Walsh | Snap |
| 2012 9th | | |
| 2012 9th | Fionnula Flanagan | The Guard |
| 2012 9th | Maria Doyle Kennedy | Albert Nobbs |
| 2012 9th | Brenda Fricker | Albert Nobbs |
| 2012 9th | Amy Huberman | Stella Days |
| 2013 10th | | |
| 2013 10th | Bríd Brennan | Shadow Dancer |
| 2013 10th | Bronagh Gallagher | Grabbers |
| 2013 10th | Charlene McKenna | Jump |
| 2013 10th | Gabrielle Reidy | What Richard Did |
| 2014 11th | | |
| 2014 11th | Sinéad Cusack | The Sea |
| 2014 11th | Fionnula Flanagan | Life's a Breeze |
| 2014 11th | Amy Huberman | The Stag |
| 2014 11th | Orla O'Rourke | Calvary |
| 2015 12th | | |
| 2015 12th | Sarah Greene | Noble |
| 2015 12th | Kerry Condon | Gold |
| 2015 12th | Sinéad Cusack | Queen and Country |
| 2015 12th | Catherine Walker | Patrick's Day |
| 2016 13th | | |
| 2016 13th | Jane Brennan | Brooklyn |
| 2016 13th | Gemma-Leah Devereux | Get Up and Go |
| 2016 13th | Olwen Fouéré | The Survivalist |
| 2016 13th | Siobhan O'Kelly | An Klondike |
| 2016 13th | Ger Ryan | The Callback Queen |
| 2017 14th | | |
| 2017 14th | Charleigh Bailey | A Date for Mad Mary |
| 2017 14th | Simone Kirby | Notes on Blindness |
| 2017 14th | Susan Lynch | Bad Day for the Cut |
| 2017 14th | Hilary Rose | The Young Offenders |
| 2017 14th | Fiona Shaw | Out of Innocence |
| 2018 15th | | |
| 2018 15th | Victoria Smurfit | The Lears |
| 2018 15th | Niamh Algar | The Drummer and The Keeper |
| 2018 15th | Sarah Carroll | The Limit Of |
| 2018 15th | Fionna Hewitt-Twamley | Cardboard Gangsters |
| 2018 15th | Deirdre O'Kane | Halal Daddy |

### 2020s

| Year | Actor | Work |
| 2020 16th |
| 2020 16th | Niamh Algar | Calm with Horses |
| 2020 16th | Caitríona Balfe | Ford v Ferrari |
| 2020 16th | Seána Kerslake | Dublin Oldschool |
| 2020 16th | Charlie Murphy | Dark Lies the Island |
| 2020 16th | Emily Taaffe | The Dig |
| 2020 16th | Catherine Walker | We Ourselves |
| 2021 17th | | |
| 2021 17th | Sharon Horgan | Dating Amber |
| 2021 17th | Kathy Kiera Clarke | A Bend in the River |
| 2021 17th | Molly McCann | Herself |
| 2021 17th | Ally Ní Chiaráin | Broken Law |
| 2021 17th | Saoirse Ronan | Ammonite |
| 2022 18th | | |
| 2022 18th | Jessie Buckley | The Lost Daughter |
| 2022 18th | Caitríona Balfe | Belfast |
| 2022 18th | Carrie Crowley | An Cailín Ciúin |
| 2022 18th | Amy-Joyce Hastings | Who We Love |
| 2022 18th | Ruth Negga | Passing |
| 2023 19th | | |
| 2023 19th | Kerry Condon | The Banshees of Inisherin |
| 2023 19th | Jessie Buckley | Women Talking |
| 2023 19th | Elaine Cassidy | The Wonder |
| 2023 19th | Kíla Lord Cassidy | The Wonder |
| 2023 19th | Aisling Franciosi | God's Creatures |
| 2023 19th | Eileen Walsh | Ann |
| 2024 20th |
| 2024 20th | Alison Oliver | Saltburn |
| 2024 20th | Bronagh Gallagher | Dance First |
| 2024 20th | Catherine Walker | My Sailor, My Love |
| 2024 20th | Ruth McCabe | That They May Face The Rising Sun |
| 2024 20th | Agnes O'Casey | The Miracle Club |
| 2024 20th | Maya O’Shea | Verdigris |

## Statistics
### Multiple wins

3 wins:
* Saoirse Ronan
2 wins:
* Fionnula Flanagan