List of awards and nominations Award Date of ceremony Category Recipient(s) Result Ref(s) AARP Annual Movies for Grownups Awards February 6, 2017 Best Actress Annette Bening Pending [35] Best Intergenerational Film 20th Century Women Pending Alliance of Women Film Journalists December 21, 2016 Best Supporting Actress Greta Gerwig Nominated [36][37] Best Screenplay, Original Mike Mills Nominated Best Ensemble Cast – Casting Director Mark Bennett and Laura Rosenthal Nominated Actress Defying Age and Ageism Annette Bening Won[lower-alpha 1] Austin Film Critics Association December 28, 2016 Best Actress Annette Bening Nominated [38][39] Best Supporting Actress Greta Gerwig Nominated Best Original Screenplay Mike Mills Nominated Critics' Choice Awards December 11, 2016 Best Actress Annette Bening Nominated [40] Best Supporting Actress Greta Gerwig Nominated Best Acting Ensemble The cast of 20th Century Women Nominated Dallas–Fort Worth Film Critics Association December 13, 2016 Best Film 20th Century Women 8th Place [41] Best Actress Annette Bening 5th Place Best Supporting Actress Greta Gerwig 4th Place Detroit Film Critics Society December 19, 2016 Best Actress Annette Bening Nominated [42] Best Supporting Actress Elle Fanning Nominated Greta Gerwig Won[lower-alpha 2] Best Ensemble The cast of 20th Century Women Won Florida Film Critics Circle December 23, 2016 Best Actress Annette Bening Nominated [43] Best Supporting Actress Greta Gerwig Nominated Best Original Screenplay Mike Mills Nominated Best Ensemble The cast of 20th Century Women Nominated Golden Globe Awards January 8, 2017 Best Motion Picture – Musical or Comedy 20th Century Women Pending [44] Best Actress – Motion Picture Comedy or Musical Annette Bening Pending Gotham Awards November 28, 2016 Best Actress Annette Bening Nominated [45] Houston Film Critics Society January 6, 2017 Best Supporting Actress Greta Gerwig Nominated [46][47] Independent Spirit Awards February 25, 2017 Best Female Lead Annette Bening Pending [48] Best Screenplay Mike Mills Pending IndieWire Critics Poll December 19, 2016 Best Actress Annette Bening 9th Place [49] Best Supporting Actress Greta Gerwig 6th Place London Film Critics Circle January 22, 2017 Supporting Actress of the Year Greta Gerwig Pending [50] National Society of Film Critics January 7, 2017 Best Actress Annette Bening Runner-up[lower-alpha 3] [51] Palm Springs International Film Festival January 2, 2017 Career Achievement Award Annette Bening Won [52] San Diego Film Critics Society December 12, 2016 Best Actress Annette Bening Nominated [53][54] Best Supporting Actress Greta Gerwig Nominated Best Ensemble The cast of 20th Century Women Nominated San Francisco Film Critics Circle December 11, 2016 Best Actress Annette Bening Nominated [55][56] Best Supporting Actress Greta Gerwig Nominated Satellite Awards February 19, 2017 Best Actress Annette Bening Nominated [57] St. Louis Gateway Film Critics Association December 18, 2016 Best Supporting Actress Greta Gerwig Nominated [58] Washington D.C. Area Film Critics Association December 5, 2016 Best Actress Annette Bening Nominated [59] Best Supporting Actress Greta Gerwig Nominated Best Ensemble The cast of 20th Century Women Nominated Women Film Critics Circle December 19, 2016 Best Movie about Women 20th Century Women Nominated [60] Best Ensemble The cast of 20th Century Women Nominated Courage in Acting Annette Bening Nominated