| F*** Marry Kill | 2024 | Actress | Eva |
| Running on Empty | 2024 | Actress | Kate |
| Which Brings Me to You | 2023 | Actress | Jane |
| Carly Pearce Feat. Chris Stapleton: We Don't Fight Anymore | 2023 | Actress | Woman |
| Puppy Love | 2023 | Actress | Nicole Matthew |
| Inside Man | 2023 | Actress | Gina Tucci |
| The Storied Life of A.J. Fikry | 2022 | Actress | Amelia |
| Big Gold Brick | 2022 | Actress | Lily |
| Borrego | 2022 | Actress | Elly |
| Ragdoll | 2021 | Actress | DC Lake Edmunds |
| The Hating Game | 2021 | Actress | Lucy Hutton |
| Riverdale | 2020–2021 | Actress | Katy Keene |
| Son of the South | 2020 | Actress | Carol Ann |
| Katy Keene | 2020 | Actress | Katy Keene |
| A Nice Girl Like You | 2020 | Actress | Lucy |
| Fantasy Island | 2020 | Actress | Melanie Cole |
| Trouble | 2019 | Actress | Zoe Bell (voice) |
| Ryan Hansen Solves Crimes on Television | 2019 | Actress | Det. Lake |
| Life Sentence | 2018 | Actress | Stella Abbott |
| Dude | 2018 | Actress | Lily |
| Truth or Dare | 2018 | Actress | Olivia Barron |
| The Unicorn | 2018 | Actress | Jesse |
| Pretty Little Liars | 2010–2017 | Actress | Aria Montgomery |
| Waiting on Roxie | 2016 | Actress | Roxie |
| Foy Vance: She Burns | 2016 | Actress | Lucy |
| Lucy Hale: Lie a Little Better | 2014 | Actress | Lucy Hale |
| How I Met Your Mother | 2007–2014 | Actress | Katie |
| Baby Daddy | 2014 | Actress | Piper Stockdale |
| Lucy Hale: You Sound Good to Me | 2014 | Actress | Lucy Hale |
| Secret of the Wings | 2012 | Actress | Periwinkle (voice) |
| A Cinderella Story: Once Upon a Song | 2011 | Actress | Katie Gibbs |
| Scream 4 | 2011 | Actress | Sherrie |
| CSI: Miami | 2010 | Actress | Phoebe Nichols |
| Private Practice | 2009 | Actress | Danielle (as Lucy Kate Hale) |
| Sorority Wars | 2009 | Actress | Katie Parker |
| Ruby & the Rockits | 2009 | Actress | Kristen |
| Fear Island | 2009 | Actress | Megan |
| Privileged | 2008–2009 | Actress | Rose Baker |
| The Apostles | 2008 | Actress | Rachel Rydell |
| The Sisterhood of the Traveling Pants 2 | 2008 | Actress | Effie (as Lucy Kate Hale) |
| Wizards of Waverly Place | 2007–2008 | Actress | Miranda |
| American Family | 2007 | Actress | Brittany Jane |
| Bionic Woman | 2007 | Actress | Becca Sommers |
| Secrets of a Small Town | 2006 | Actress | Tisha Steele |
| The O.C. | 2006 | Actress | Hadley Hawthorne |
| Drake & Josh | 2006 | Actress | Hazel |
| Ned's Declassified School Survival Guide | 2005 | Actress | Amy Cassidy |
| Which Brings Me to You | 2023 | Producer | executive producer |
| The Storied Life of A.J. Fikry | 2022 | Producer | executive producer |
| Borrego | 2022 | Producer | executive producer |
| The Hating Game | 2021 | Producer | executive producer |
| Waiting on Roxie | 2016 | Producer | producer |
| No Teen Should Go Unprotected Video | 2015 | Producer | executive producer |
| Pretty Little Liars: We Love You to DeAth | 2014 | Thanks | special thanks |
| Pretty Little Liars: A LiArs Guide to Rosewood | 2013 | Thanks | thanks |
| Katy Keene | 2020 | Soundtrack | performer: "She Used To Be Mine" |
| Pretty Little Liars | 2010–2014 | Soundtrack | performer: "What Child Is This?" |
| Nashville | 2014 | Soundtrack | performer: "You Sound Good to Me" (uncredited) |
| A Cinderella Story: Once Upon a Song | 2011 | Soundtrack | performer: "Run This Town", "Bless Myself", "Make You Believe", "Extra Ordinary", "She's Terrible" |
| CSI: Miami | 2010 | Soundtrack | performer: "If That's Love" |
| Sorority Wars | 2009 | Soundtrack | performer: "Ain't No Mountain High Enough" |
| Privileged | 2008–2009 | Soundtrack | performer: "Old Fashioned" |
| Tamron Hall | 2025 | Self | Self |
| Today | 2024–2025 | Self | Self - Guest |
| InStyle: YouTube Channel TV Series | 2024 | Self | Self |
| Pomellato unveiled its new High Jewelry Collection, 'The Dualism of Milan' | 2024 | Self | Self |
| The 49th Annual People's Choice Awards | 2024 | Self | Self - Presenter |
| Made in Hollywood | 2020–2024 | Self | Self |
| The Talk | 2016–2024 | Self | Self |
| The Drew Barrymore Show | 2024 | Self | Self |
| SAG Foundation Conversations | 2024 | Self | Self |
| CBS Mornings | 2024 | Self | Self |
| Live with Kelly and Mark | 2014–2023 | Self | Self |
| Hollywood First Look | 2020–2022 | Self | Self |
| Steve Varley Show | 2022 | Self | Self |
| Celebrity Page | 2017–2022 | Self | Self |
| The Tonight Show Starring Jimmy Fallon | 2016–2021 | Self | Self - Guest |
| Good Morning America | 2012–2021 | Self | Self - Guest |
| The Demi Lovato Show | 2021 | Self | Self |
| Dick Clark's New Year's Rockin' Eve with Ryan Seacrest 2021 | 2020 | Self | Self - Co-Host |
| Day by Day | 2020 | Self | Maya |
| The Alive+Well Fest TV Special | 2020 | Self | Self |
| WatchMojo | 2020 | Self | Self |
| The Kelly Clarkson Show | 2020 | Self | Self - Guest |
| The Late Late Show with James Corden | 2016–2020 | Self | Self |
| Hollywood Insider | 2020 | Self | Self |
| IMDb Interviews | 2020 | Self | Self - Guest |
| The View | 2012–2020 | Self | Self |
| Jimmy Kimmel Live! | 2020 | Self | Self |
| Entertainment Tonight | 2003–2020 | Self | Self |
| The 25th Annual Critics' Choice Awards | 2020 | Self | Self - Presenter |
| Dick Clark's New Year's Rockin' Eve with Ryan Seacrest 2020 | 2019 | Self | Self - Host |
| The E! People's Choice Awards | 2019 | Self | Self - Presenter |
| Teen Choice Awards 2019 | 2019 | Self | Self - Host |
| Us Weekly: YouTube Channel TV Series | 2019 | Self | Self |
| BuzzFeed Celeb | 2017–2019 | Self | Self |
| Teen Choice 2018 | 2018 | Self | Self |
| Hollywood Medium | 2018 | Self | Self |
| Last Call with Carson Daly | 2018 | Self | Self |
| WGN Morning News | 2018 | Self | Self |
| The IMDb Show | 2018 | Self | Self - Guest |
| Steve | 2018 | Self | Self - Panelist |
| Extra | 2014–2018 | Self | Self |
| Celebrity Binge Watch TV Mini Series | 2018 | Self | Self |
| Rachael Ray | 2013–2018 | Self | Self |
| That One Audition Podcast Series | 2018 | Self | Self |
| Dick Clark's New Year Rockin' Eve with Ryan Seacrest 2018 | 2017 | Self | Host - New Orleans Segment |
| Teen Choice Awards 2017 | 2017 | Self | Self - Winner & Presenter |
| Inside the PLL Sheets Video | 2017 | Self | Self |
| Pretty Little Liars: A List Wrap Party | 2017 | Self | Self |
| Style Code Live | 2017 | Self | Self |
| The Insider | 2014–2017 | Self | Self |
| The Ellen DeGeneres Show | 2014–2017 | Self | Self |
| Lex & Los | 2017 | Self | Self |
| Dick Clark's New Years Rockin' Eve with Ryan Seacrest 2017 TV Special | 2016 | Self | Self - Co-Hostess |
| Teen Choice Awards 2016 | 2016 | Self | Self - Accepting Award |
| Conan | 2015–2016 | Self | Self - Guest |
| 2016 Billboard Music Awards | 2016 | Self | Self - Presenter |
| Inside the 5 Years Video | 2016 | Self | Self |
| Homecoming: The PLL's Return Video | 2016 | Self | Self |
| A PLL Prom Video | 2016 | Self | Self |
| Celebrity Style Story | 2016 | Self | Self |
| Home & Family | 2016 | Self | Self |
| The 42nd Annual People's Choice Awards | 2016 | Self | Self - Nominee & Accepting Award |
| No Teen Should Go Unprotected Video | 2015 | Self | Self |
| Backstage Diaries | 2015 | Self | Self |
| Disney D23 TV Series | 2015 | Self | Self |
| Pretty Little Liars: 5 Years Forward | 2015 | Self | Self |
| Baring It All: Inside New York Fashion Week TV Movie | 2015 | Self | Self |
| Teen Choice Awards 2015 | 2015 | Self | Self - Winner, Presenter & Accepting Award |
| Late Night with Seth Meyers | 2015 | Self | Self |
| Hollywood Health Report TV Series | 2015 | Self | Self - Guest |
| Christmas in Rosewood: Designing the Ice Ball Video | 2015 | Self | Self |
| Watch What Happens Live with Andy Cohen | 2015 | Self | Self |
| Disney Parks Frozen Christmas Celebration | 2014 | Self | Self - Performer |
| The 88th Annual Macy's Thanksgiving Day Parade | 2014 | Self | Self |
| American Music Awards 2014 | 2014 | Self | Self - Presenter |
| Teens Wanna Know | 2014 | Self | Self - Guest |
| Young Hollywood | 2014 | Self | Self |
| Pretty Little Liars: We Love You to DeAth | 2014 | Self | Self |
| 2014 MTV Video Music Awards | 2014 | Self | Self |
| Teen Choice Awards 2014 | 2014 | Self | Self - Winner |
| So You Think You Can Dance | 2014 | Self | Self - Musical Guest |
| Pretty Little Liars: Pretty Little Scenes Video | 2014 | Self | Self |
| Pretty Little Liars: Unhooding Redcoat, Alison Is Alive | 2014 | Self | Self |
| Confessions of 'A' Lair Video | 2014 | Self | Self |
| E! News | 2014 | Self | Self |
| Pânico na Band | 2014 | Self | Self (uncredited) |
| 2014 Billboard Music Awards | 2014 | Self | Self - Presenter |
| Radio Disney Music Awards | 2014 | Self | Self |
| The 40th Annual People's Choice Awards | 2014 | Self | Self - Winner |
| Hey Tucker! | 2013 | Self | Lucy |
| CMA Country Christmas | 2013 | Self | Self |
| Pretty Little Liars Live TV Special | 2013 | Self | Self |
| Teen Choice Awards 2013 | 2013 | Self | Self - Hostess, Winner & Accepting Award |
| Good Day L.A. | 2010–2013 | Self | Self |
| 2013 Young Hollywood Awards | 2013 | Self | Self |
| 2013 MuchMusic Video Awards | 2013 | Self | Self |
| Pretty Little Liars: And the 'A' Network Video | 2013 | Self | Self |
| The 38th Annual Gracie Awards TV Special | 2013 | Self | Self |
| Nickelodeon Kids' Choice Awards 2013 | 2013 | Self | Self |
| The 40th Anniversary American Music Awards | 2012 | Self | Self |
| Big Morning Buzz Live | 2012 | Self | Self |
| Teen Choice Awards 2012 | 2012 | Self | Self - Winner & Presenter |
| 2012 MuchMusic Video Awards | 2012 | Self | Self |
| Pretty Little Liars: Men of Mystery Video | 2012 | Self | Self |
| Punk'd | 2012 | Self | Self - Guest Host |
| Spotlighting Lucy Hale: Our New Cinderella Video | 2011 | Self | Self |
| A Cinderella Story: Meet Prince Charming | 2011 | Self | Self |
| The 36th Annual Gracie Awards TV Special | 2011 | Self | Self |
| Teen Choice 2011 | 2011 | Self | Self - Winner & Presenter |
| 13th Annual Young Hollywood Awards | 2011 | Self | Self - Cast to Watch Award Recipient |
| The Marilyn Denis Show | 2011 | Self | Self - Guest |
| Teen Choice Awards 2010 | 2010 | Self | Self - Winner & Presenter |
| 2010 MTV Movie Awards | 2010 | Self | Self - Audience Member (uncredited) |
| Made in Hollywood: Teen Edition | 2010 | Self | Self |
| Katelyn Tarver TV | 2008 | Self | Self |
| Jonas Brothers: Living the Dream | 2008 | Self | Self |
| U-Pick Live | 2003 | Self | Self - Guest |
| An American Idol Christmas | 2003 | Self | Self |
| Slimetime Live | 2003 | Self | Self - Guest |
| American Juniors | 2003 | Self | Self - Group Member #4 |
| Entertainment Tonight | 2020 | Archive Footage | Self (archive footage) |
| Celebrity Page | 2019 | Archive Footage | Self (archive footage) |
| The Insider | 2016 | Archive Footage | Self (archive footage) |