| Year | Title | Role | Notes |
| 1992 | Loving | Steffy | 1 episode |
| 1993 | Lifestories: Families in Crisis | Chris | Episode: "No Visible Bruises: The Kate Koestner Story" |
| Class of '96 | Kristie Lewis | Episode: "Educating David" |
| Acapulco H.E.A.T. | Danielle Perkins | Episode: "Code Name: Body Double" |
| 1994 | Runaway Daughters | Angie Gordon | Television film |
| Where Are My Children? | Kirstie |
| 1995 | Extreme | Andie McDermott | Recurring role |
| 1996 | Party of Five | Shelley | Episode: "Unfair Advantage" |
| Strange Luck | Leigh Anne | Episode: "Healing Hands" |
| 1998 | Three | Amanda Webb | 2 episodes |
| 1998–1999 | ER | Roxanne Please | Recurring role (season 5) |
| 1999 | The Last Man on Planet Earth | Hope Chayse | Television film |
| 2000 | Oh Baby | Nikky | 2 episodes |
| Dawson's Creek | Aunt Gwen | Episode: "Stolen Kisses" |
| 2000–2004 | Ed | Carol Vessey | Main role |
| 2005 | Jake in Progress | Brooke | 4 episodes |
| 2005–2007 | Lost | Sarah Shephard | Recurring role (season 1–3) |
| 2005–2008 | Boston Legal | Denise Bauer | Main role (season 2–3); guest role (season 5) |
| 2007 | Wainy Days | Cheryl | Episode: "Tough Guy" |
| 2008 | Weeds | Lisa Ferris | Recurring role (season 4) |
| Law & Order: Special Victims Unit | Gwen Sibert | Episode: "Trials" |
| 2009 | True Jackson, VP | Claire Underwood | Episode: "True Takes Iceland" |
| Monk | Marilyn Brody | Episode: "Mr. Monk and the Bully" |
| 2009–2020 | Modern Family | Claire Dunphy | Main role |
| 2011 | Scooby-Doo! Mystery Incorporated | Marion Spartan (voice) | Episode: "Attack of the Headless Horror" |
| 2014 | Family Guy | Claire Dunphy (voice) | 2 episodes |
| 2017 | Herself (voice) |
| 2015 | Childrens Hospital | First Lady | Episode: "Codename: Jennifer" |
| 2016 | Better Things | Herself | Episode: "Sam/Pilot" |
| 2017–2020 | Rapunzel's Tangled Adventure | Queen Arianna (voice) | Main role |
| 2017 | MasterChef Junior | Herself | Episode: "A Presidential Mystery Box" |
| Who Do You Think You Are | Episode: "Julie Bowen" |
| The Mindy Project | Daisy | Episode: "Leo's Girlfriend" |
| 2018 | LA to Vegas | Gwen (voice) | Episode: "The Affair" |
| 2019 | DuckTales | Lieutenant Penumbra (voice) | Recurring role (season 1) |
| 2020 | Who Wants to Be a Millionaire | Herself | 2 episodes |
| A Modern Farewell | Modern Family documentary |
| 2021 | Curb Your Enthusiasm | Gabby McAfee | Episode: "IRASSHAIMASE!" |
| 2022 | American Dad! | Trashelle (voice) | Episode: "Langley Dollar Listings" |
| 2023 | Hailey's On It! | Patricia Banks (voice) | Recurring role |
| StoryBots: Answer Time | Ms. Clown | Episode: "Stocks" |
| Celebrity Wheel of Fortune | Herself | Episode: "RuPaul, Gayle King and Julie Bowen" |
| 2024 | Hysteria! | Linda Campbell | Main role |
| 2025 | Hollywood Squares | Herself | 3 episodes |
