The San Diego Film Critics Society Award for Best Supporting Actress is an award given by the San Diego Film Critics Society to honor supporting female acting achievements in film-making.

Winners 1990s YearWinnerFilmRole1996 Lauren Bacall The Mirror Has Two Faces Hannah Morgan1997 Jurnee Smollett Eve's Bayou Eve Batiste1998 Kathy Bates Primary Colors Libby Holden1999 Thora Birch American Beauty Jane Burnham

2000s YearWinnerFilmRole2000 Frances McDormand Almost Famous Elaine Miller2001 Naomi Watts Mulholland Drive Betty Elms / Diane Selwyn2002 Michelle Pfeiffer White Oleander Ingrid Magnussen2003 Renée Zellweger Cold Mountain Ruby Thewes2004 Natalie Portman Closer Alice Ayres / Jane Jones2005 Rachel Weisz The Constant Gardener Tessa Quayle2006 Lili Taylor Factotum Jan2007 Amy Ryan Gone Baby Gone Helene McCready2008 Marisa Tomei The Wrestler Pam / Cassidy 2009 Samantha Morton The Messenger Olivia Pitterson

2010s YearWinnerFilmRole2010 Lesley Manville Another Year Mary2011 Shailene Woodley The Descendants Alexandra King2012 Emma Watson The Perks of Being a Wallflower Sam2013 Shailene Woodley The Spectacular Now Aimee Finecky2014 Rene Russo Nightcrawler Nina Romina2015 Jennifer Jason Leigh The Hateful Eight Daisy Domergue2016 Michelle Williams Manchester by the Sea Randi Chandler2017 Allison Janney I, Tonya LaVona Fay Golden Laurie Metcalf Lady Bird Marion McPherson2018 Nicole Kidman Boy Erased Nancy Eamons2019 Zhao Shu-zhen The Farewell Nai Nai

2020s YearWinnerFilmRole2020 Youn Yuh-jung Minari Soon-ja2021 Ruth Negga Passing Clare Bellew2022 Kerry Condon The Banshees of Inisherin Siobhán Súilleabháin2023 Rachel McAdams Are You There God? It's Me, Margaret. Barbara Simon2024 Ariana Grande Wicked Galinda Upland2025 Amy Madigan Weapons Gladys

Bibliography San Diego Film Critics Society - Awards