Melissa Leo
Penghargaan dan nominasi

| Tahun | Penghargaan | Kategori | Nominasi | Hasil |
| --- | --- | --- | --- | --- |
| 1985 | Daytime Emmy Award | Outstanding Younger Actress in a Drama Series | All My Children | Nominasi |
| 2003 | Los Angeles Film Critics Association Award | Best Supporting Actress | 21 Grams | Nominasi |
| 2003 | Phoenix Film Critics Society Award | Best Cast | 21 Grams | Menang |
| 2005 | Bronze Wrangler Award | Outstanding Theatrical Motion Picture | The Three Burials of Melquiades Estrada | Menang |
| 2008 | Academy Award | Best Actress | Frozen River | Nominasi |
| 2008 | Alliance of Women Film Journalists Award | Best Breakthrough Performance | Frozen River | Nominasi |
| 2008 | Critics' Choice Movie Award | Best Actress | Frozen River | Nominasi |
| 2008 | Chicago Film Critics Association Award | Best Actress | Frozen River | Nominasi |
| 2008 | Florida Film Critics Circle Award | Best Actress | Frozen River | Menang |
| 2008 | Gotham Awards | Breakthrough Actor | Frozen River | Menang |
| 2008 | Independent Spirit Awards | Best Female Lead | Frozen River | Menang |
| 2008 | Los Angeles Film Critics Association Award | Best Actress | Frozen River | Nominasi |
| 2008 | Marrakech International Film Festival Award | Best Actress | Frozen River | Menang |
| 2008 | National Society of Film Critics Award | Best Actress | Frozen River | Nominasi |
| 2008 | New York Film Critics Circle Award | Best Actress | Frozen River | Nominasi |
| 2008 | Screen Actors Guild Award | Outstanding Performance by a Female Actor in a Leading Role | Frozen River | Nominasi |
| 2008 | Satellite Award | Best Actress – Motion Picture Drama | Frozen River | Nominasi |
| 2008 | San Sebastián International Film Festival Award | Best Actress | Frozen River | Menang |
| 2008 | Santa Barbara International Film Festival Virtuoso Award | Best Actress | Frozen River | Menang |
| 2008 | Utah Film Critics Association Award | Best Actress | Frozen River | Menang |
| 2008 | Women Film Critics Circle Award | Best Actress | Frozen River | Menang |
| 2008 | Method Fest Independent Film Festival Award | Best Actress | Lullaby | Menang |
| 2010 | Tribeca Film Festival Award | Best New York Narrative - Special Jury | The Space Between | Menang |
| 2010 | Academy Award | Best Supporting Actress | The Fighter | Menang |
| 2010 | Alliance of Women Film Journalists Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | Boston Society of Film Critics Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | Boston Society of Film Critics Award | Best Ensemble | The Fighter | Menang |
| 2010 | Broadcast Film Critics Association Award | Best Cast | The Fighter | Menang |
| 2010 | Broadcast Film Critics Association Award | Best Supporting Actress | The Fighter | Menang |
| 2010 | Chicago Film Critics Association Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | Capri Award | Best Actress | The Fighter | Menang |
| 2010 | Dallas-Fort Worth Film Critics Association Award | Best Supporting Actress | The Fighter | Menang |
| 2010 | Denver Film Critics Society Award | Best Supporting Actress | The Fighter | Menang |
| 2010 | Detroit Film Critics Society Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | Florida Film Critics Circle Award | Best Supporting Actress | The Fighter | Menang |
| 2010 | Golden Globe Award | Best Supporting Actress – Motion Picture | The Fighter | Menang |
| 2010 | Houston Film Critics Society Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | Iowa Film Critics Award | Best Supporting Actress | The Fighter | Menang |
| 2010 | Las Vegas Film Critics Society Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | National Society of Film Critics Award | Best Supporting Actress | The Fighter | Menang |
| 2010 | New York Film Critics Online Awards | Best Supporting Actress | The Fighter | Menang |
| 2010 | North Texas Film Critics Association Award | Best Supporting Actress | The Fighter | Menang |
| 2010 | Online Film Critics Society Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | Phoenix Film Critics Society Award | Best Supporting Actress | The Fighter | Menang |
| 2010 | San Diego Film Critics Society Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | San Diego Film Critics Society Award | Best Ensemble | The Fighter | Nominasi |
| 2010 | Screen Actors Guild Award | Outstanding Performance by a Cast in a Motion Picture | The Fighter | Nominasi |
| 2010 | Screen Actors Guild Award | Outstanding Performance by a Female Actor in a Supporting Role | The Fighter | Menang |
| 2010 | St. Louis Gateway Film Critics Association Award | Best Supporting Actress | The Fighter | Menang |
| 2010 | Southeastern Film Critics Association Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | Toronto Film Critics Association Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | Utah Film Critics Association Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | Vancouver Film Critics Circle Award | Best Supporting Actress | The Fighter | Nominasi |
| 2010 | Washington D.C. Area Film Critics Association Awards | Best Ensemble | The Fighter | Nominasi |
| 2010 | Washington D.C. Area Film Critics Association Awards | Best Supporting Actress | The Fighter | Menang |
| 2011 | California Independent Film Festival Slate Award | Best Actress | The Sea Is All I Know | Menang |
| 2011 | Rhode Island International Film Festival Award | Best Actress | The Sea Is All I Know | Menang |
| 2011 | Primetime Emmy Award | Outstanding Supporting Actress in a Miniseries or a Movie | Mildred Pierce | Nominasi |
| 2012 | Primetime Emmy Award | Outstanding Guest Actress in a Comedy Series | Louie | Menang |
| 2012 | Critics' Choice Television Award | Best Guest Performer in a Comedy Series | Louie | Nominasi |
| 2013 | National Board of Review Award | Best Cast | Prisoners | Menang |
| 2013 | San Diego Film Critics Society Award | Best Performance by an Ensemble | Prisoners | Nominasi |
| 2013 | Washington D.C. Area Film Critics Association Award | Best Ensemble | Prisoners | Nominasi |
| 2013 | Satellite Award | Best Actress – Miniseries or Television Film | Call Me Crazy: A Five Film | Nominasi |
| 2015 | National Board of Review Award | Best Cast | The Big Short | Menang |
| 2015 | Screen Actors Guild Award | Outstanding Performance by a Cast in a Motion Picture | The Big Short | Nominasi |
| 2016 | Primetime Emmy Award | Outstanding Supporting Actress in a Miniseries or a Movie | All the Way | Nominasi |