
Jennifer Lynn Siebel Newsom (born June 19, 1974) is an American documentary filmmaker and actress. She is the director, writer, and producer of the film Miss Representation, which premiered in the documentary competition at the 2011 Sundance Film Festival. The film examines how the media has underrepresented women in positions of power. Her second film, which she wrote, produced, and directed, was The Mask You Live In, which premiered at the 2015 Sundance Festival. It is an examination of American society's definition of masculinity.
Newsom is married to Governor Gavin Newsom of California, making her the First Lady of California. She was previously the state's Second Partner from 2011 to 2019 and First Lady of San Francisco from 2008 to 2011.

She's Out of His Mind
Judy Claymore
2022

This Changes Everything
Self
2019

Miss Representation
Self
2011

Tales of an Ancient Empire
Queen Ma'at
2010

The Glades
Stephanie Chapman · (1 episode)
2010

Aliens on Crack
Pooty
2009

The Nanny Express
Pam
2009

The Butler's In Love
Eleanor
2008

April Fool's Day
Barbie
2008

Life
Jennifer Conover · (10 episodes)
2007

In the Valley of Elah
Jodie
2007

Mad Men
Juanita Carson · (1 episode)
2007

Bone Dry
Wife (as Jennifer Siebel)
2007
Fall Guy: The John Stewart Story
Sharon Stone
2007

Rent
Receptionist
2005

Numb3rs
Diane Rausch · (1 episode)
2005

American Daylight
Zelda (as Jennifer Siebel)
2004
The Tony Danza Show
Self · (1 episode)
2004

Zen Noir
Nora
2004

Dinocroc
Gereco Receptionist
2004

Something's Gotta Give
Younger Woman in Market
2003

Presidio Med
Cyndy Lloyd · (16 episodes)
2002

She Spies
Woman #2 · (1 episode)
2002

Strong Medicine
Nancy Donahue · (1 episode)
2000