| Under Milk Wood | 2015 | Actress | Polly Garter |
| Under Milk Wood | 2014 | Actress | Mrs. Ogmore Pritchard |
| Charlotte Church: Crazy Chick Music Video | 2005 | Actress | Charlotte Church |
| I'll Be There | 2003 | Actress | Olivia Edmonds |
| Heartbeat | 1999 | Actress | Katie Kendall |
| Touched by an Angel | 1999 | Actress | Alice Childers |
| The Bear | 1998 | Actress | Tilly (voice) |
| Minds Wide Open: Unlocking the Potential of the Human Brain | 2018 | Music Department | featuring |
| Terra Nostra | 1999–2000 | Music Department | performer: theme song "Tormento D'amore" |
| Joan of Arc | 1999 | Music Department | special vocals |
| Sunday Brunch | 2013 | Soundtrack | performer: "I Can Dream" |
| Doctors | 2011 | Soundtrack | performer: "Crazy Chick" (uncredited) |
| The One Ronnie | 2010 | Soundtrack | performer: "Logical World" |
| Dancing with the Stars | 2006–2009 | Soundtrack | performer: "Habanera" |
| The X Factor UK | 2005–2008 | Soundtrack | performer: "Crazy Chick" (uncredited) |
| The Charlotte Church Show | 2007 | Soundtrack | performer: "9 to 5" |
| A Very British Gangster | 2007 | Soundtrack | performer: "Ave Maria" |
| Brave New Girl | 2004 | Soundtrack | performer: "L'amour est un oiseau rebelle (Habanera)" (uncredited) |
| I'll Be There | 2003 | Soundtrack | performer: "Summertime", "Reach Out I'll Be There", "Would I Know", "In Hebrid Seas" |
| A Beautiful Mind | 2001 | Soundtrack | performer: "All Love Can Be" |
| Christmas Carol: The Movie | 2001 | Soundtrack | performer: "It's The Heart That Matters Most", "Quis Est Deus" |
| Dream a Dream: Charlotte Church in the Holy Land | 2000 | Soundtrack | performer: "The First Noel", "Ave Maria", "When A Child Is Born", "Hark! The Herald Angels Sing", "Mary's Boy Child", "O Holy Night", "Silent Night", "What Child Is This", "Draw Tua Bethlehem/Far Over Bethlehem", "O Come All Ye Faithful" |
| Touched by an Angel | 1999 | Soundtrack | performer: "Panis Angelicus" |
| Joan of Arc | 1999 | Soundtrack | performer: "Panis Angelicus" |
| Prue Leith's Cotswold Kitchen | 2025 | Self | Self |
| Tipping Point: Lucky Stars | 2024 | Self | Self - Contestant |
| Richard Herring's Leicester Square Theatre Podcast | 2024 | Self | Self |
| Tabloids on Trial | 2024 | Self | Self |
| Wheel of Fortune | 2024 | Self | Self - Contestant |
| The Masked Singer UK | 2022–2024 | Self | Self - Mushroom |
| The Showreel 2023 Short | 2023 | Self | Self |
| Brydon & | 2023 | Self | Self |
| The Wheel | 2023 | Self | Self |
| Celebrity Chase | 2022 | Self | Self - Contestant |
| Loose Women | 2010–2022 | Self | Self |
| Charlotte Church's Dream Build | 2022 | Self | Self |
| Gogglebox | 2022 | Self | Self |
| Mel Giedroyc: Unforgivable | 2022 | Self | Self |
| Celebrity Lingo | 2022 | Self | Self - Guest |
| Welcome to Wrexham | 2022 | Self | Self |
| Kate Garraway's Life Stories | 2022 | Self | Self |
| Off Menu with Ed Gamble and James Acaster | 2022 | Self | Self - Guest |
| Celebrity Catchphrase | 2021 | Self | Self - Contestant |
| Good Morning Britain | 2021 | Self | Self - Singer |
| Rhod Gilbert's Growing Pains | 2021 | Self | Self |
| Celebrity: A 21st Century Story | 2020 | Self | Self |
| Who Wants to Be a Millionaire | 2020 | Self | Self - Contestant |
| The Big Narstie Show | 2020 | Self | Self - Guest |
| Charlotte Church: My Family & Me TV Movie | 2019 | Self | Self |
| This Morning | 1997–2019 | Self | Self |
| Front Row | 2019 | Self | Self - Singer and Activist |
| The One Show | 2010–2018 | Self | Self |
| Charlotte Church: Inside My Brain TV Movie | 2018 | Self | Self |
| John Bishop: in Conversation With | 2016 | Self | Self |
| Artsnight | 2016 | Self | Self - Presenter |
| The Last Leg | 2016 | Self | Self |
| Charli XCX: The F-Word and Me | 2015 | Self | Self |
| Question Time | 2012–2015 | Self | Self |
| Glastonbury 2015 | 2015 | Self | Self (uncredited) |
| Sunday Brunch | 2013 | Self | Self - Guest |
| The Jonathan Ross Show | 2012 | Self | Self |
| Have I Got News for You | 2002–2012 | Self | Self - Guest Presenter |
| The Graham Norton Show | 2010–2012 | Self | Self - Guest |
| Four in a Bed | 2011 | Self | Self |
| Paul O'Grady Live | 2011 | Self | Self |
| The One Ronnie | 2010 | Self | Self |
| Jamie's Christmas Lock-In | 2010 | Self | Self |
| Chris Moyles Quiz Night | 2010 | Self | Self |
| Over the Rainbow | 2010 | Self | Self - Judge |
| Friday Night with Jonathan Ross | 2002–2010 | Self | Self |
| The Big Food Fight | 2009 | Self | Self - Guest |
| Man Up: The Exploration of a Fatherless Nation Short | 2009 | Self | Self |
| The Charlotte Church Show | 2006–2008 | Self | Self - Host |
| The British Comedy Awards 2006 Live | 2006 | Self | Self |
| The Best of the Royal Variety | 2006 | Self | Self |
| The Paul O'Grady Show | 2005–2006 | Self | Self |
| Davina | 2006 | Self | Self |
| Top of the Pops: Reloaded | 2006 | Self | Self |
| The Big Fat Quiz of the Year | 2005 | Self | Self |
| Top of the Pops | 2003–2005 | Self | Self |
| The Catherine Tate Show | 2005 | Self | Self |
| The Royal Variety Performance 2005 TV Special | 2005 | Self | Self - Performer |
| Today with Des and Mel | 2005 | Self | Self |
| CD:UK | 2005 | Self | Self |
| Parkinson | 2002–2005 | Self | Self |
| Charlotte Church: Confessions of a Teen Angel | 2005 | Self | Self |
| GMTV | 2005 | Self | Self |
| Avenue of the Stars: 50 Years of ITV | 2005 | Self | Self - Performer |
| Breakfast | 2005 | Self | Self |
| Balls of Steel | 2005 | Self | Self |
| Harry Potter at the Castle: Magic at Midnight | 2005 | Self | Self (uncredited) |
| Nigella | 2005 | Self | Self |
| Larry King Live | 2005 | Self | Self |
| Doctor Who Confidential | 2005 | Self | Self |
| Charlotte Church: Spreading Her Wings | 2004 | Self | Self |
| MOBO Awards 2003 TV Special | 2003 | Self | Self |
| V Graham Norton | 2003 | Self | Self |
| Charlotte Church: Enchantment from Cardiff, Wales Video | 2002 | Self | Self |
| Charlotte Church: Prelude - The Best of Charlotte Church Video | 2002 | Self | Self |
| Closeups TV Series | 2002 | Self | Self |
| The Kumars at No. 42 | 2002 | Self | Self |
| National Memorial Day Concert TV Series | 2002 | Self | Self - Performer |
| Brian Conley: An Audience with Brian Conley | 2002 | Self | Self - Performer |
| 10 Years of Heartbeat | 2002 | Self | Self |
| Des O'Connor Tonight | 1998–2001 | Self | Self |
| Charlotte Church Enchantment | 2001 | Self | Self |
| Charlotte Church Live from Jerusalem | 2001 | Self | Self |
| Hollywood Squares | 2001 | Self | Self - Panelist |
| Walt Disney World Christmas Day Parade | 2001 | Self | Self |
| Christmas Glory from New York TV Special | 2001 | Self | Soprano |
| Breakfast with Frost | 2001 | Self | Self |
| Christmas in Washington | 2001 | Self | Self - Performer |
| The British Comedy Awards 2001 | 2001 | Self | Self |
| Richard & Judy | 2001 | Self | Self |
| The Frank Skinner Show | 2000–2001 | Self | Self |
| The Royal Variety Performance 2001 | 2001 | Self | Self - Performer |
| 75th Annual Macy's Thanksgiving Day Parade | 2001 | Self | Self |
| Children in Need 2001 TV Movie | 2001 | Self | Self |
| The Tonight Show with Jay Leno | 1999–2001 | Self | Self |
| Classical Brit Awards 2001 TV Special | 2001 | Self | Self |
| The 43rd Annual Grammy Awards | 2001 | Self | Self - Performer |
| Christmas in Vienna TV Series | 2000 | Self | Performer |
| Christmas Glory 2000 | 2000 | Self | Soloist |
| Today | 2000 | Self | Self |
| Dream a Dream: Charlotte Church in the Holy Land | 2000 | Self | Self |
| Teen People: The 25 Hottest Stars Under 25 TV Special | 2000 | Self | Self |
| Musik ohne Grenzen TV Special | 2000 | Self | Self |
| Heroes for the Planet Featuring Special Guest Charlotte Church TV Special | 2000 | Self | Self |
| Classical Brit Awards TV Special | 2000 | Self | Self - Performer |
| Tonight at the London Palladium TV Series | 2000 | Self | Self |
| Surprise! Surprise! | 2000 | Self | Self - Performer |
| The Big Stage TV Series | 2000 | Self | Self |
| ABC 2000: The Millennium | 1999 | Self | |
| 2000 Today | 1999 | Self | Self |
| Charlotte Church: Voice of an Angel in Concert | 1999 | Self | Self |
| ...and So This Is Christmas | 1999 | Self | Self |
| Late Show with David Letterman | 1999 | Self | Self |
| Macy's Thanksgiving Day Parade | 1999 | Self | Self |
| The Generation Game | 1999 | Self | Self - Surprise Guest |
| 1999 MTV Video Music Awards | 1999 | Self | Self - Presenter |
| Verstehen Sie Spaß? | 1999 | Self | Self |
| The Challenge: The Making of Charlotte Church TV Movie | 1999 | Self | Self |
| The Rosie O'Donnell Show | 1999 | Self | Self |
| Vivement dimanche | 1999 | Self | Self |
| This Is My Life TV Movie | 1998 | Self | Self (uncredited) |
| A Royal Birthday Celebration | 1998 | Self | Self |
| The Big Big Talent Show | 1997 | Self | Self |
| James Blunt: One Brit Wonder | 2023 | Archive Footage | Self (archive footage) |
| ¿De dónde salen estos doblajes? Video | 2019 | Archive Footage | Olivia Edmonds (archive footage) |
| This Morning: 30 Unforgettable Years | 2018 | Archive Footage | Self (archive footage, uncredited) |
| 20 Moments That Rocked Talent Shows TV Special | 2015 | Archive Footage | Self (archive footage) |
| You Saw Them Here First | 2013 | Archive Footage | Self (archive footage) |
| The Talent Show Story | 2012 | Archive Footage | Self (archive footage, uncredited) |
| Most Shocking Talent Show Moments | 2011 | Archive Footage | Self (archive footage) |
| Nostalgia Critic | 2010 | Archive Footage | Self (archive footage) |
| Take That: Where Did It All Go Right? | 2009 | Archive Footage | Self (archive footage) |
| Top of the Pops: Reloaded | 2006 | Archive Footage | Self (archive footage) |
| CD:UK | 2006 | Archive Footage | Self (archive footage) |
| Britain's Favourite Celebrity Chav TV Special | 2005 | Archive Footage | Self (archive footage) |
| Have I Got News for You: The Best of the Guest Presenters | 2003 | Archive Footage | Self - Guest Presenter (archive footage) |
| The Very Best of 'Have I Got News for You' | 2002 | Archive Footage | Self (archive footage) |