| 2024 | Larger than Life: Reign of the BoybandsMovie | Self (archive footage) | 31 |
| 2024 | Quintessentially IrishMovie | Self | 31 |
| 2023 | TikTok: In the MixMovie | Self | 30 |
| 2022 | The Jennifer Hudson ShowSeries | — | 29 |
| 2022 | Homecoming: The Road to MullingarMovie | Self | 29 |
| 2022 | The FruittiesSeries | Pak (singing voice) | 29 |
| 2020 | One World: Together at HomeMovie | Self | 27 |
| 2019 | The Kelly Clarkson ShowSeries | Self | 26 |
| 2019 | iHeartRadio Jingle Ball 2019Movie | Self | 26 |
| 2017 | One Love ManchesterMovie | Self | 24 |
| 2016 | WIRED's Autocomplete InterviewsSeries | Self - Guest | 23 |
| 2016 | Michael McIntyre's Big ShowSeries | Self - Performer | 23 |
| 2016 | iHeartRadio Jingle Ball 2016Movie | Self - Performer | 23 |
| 2015 | The Late Late Show with James CordenSeries | Self - Guest | 22 |
| 2015 | Hot OnesSeries | Self | 22 |
| 2014 | The Tonight Show Starring Jimmy FallonSeries | Self - Guest | 21 |
| 2014 | Late Night with Seth MeyersSeries | Self | 21 |
| 2014 | The Men in Blazers ShowSeries | Self | 21 |
| 2014 | One Direction: Where We Are - The Concert FilmMovie | Self | 21 |
| 2013 | Doctor Who Live: The AfterpartyMovie | Self | 20 |
| 2013 | One Direction: This Is UsMovie | Self | 20 |
| 2013 | Radio Disney Music AwardsSeries | Self | 20 |
| 2012 | London 2012 Olympic GamesSeries | Self | 19 |
| 2012 | London 2012 Olympic Closing Ceremony: A Symphony of British MusicMovie | Self | 19 |
| 2012 | One Direction: Up All Night - The Live TourMovie | Self | 19 |
| 2011 | The Jonathan Ross ShowSeries | Self - Guest | 18 |
| 2011 | Dynamo: Magician ImpossibleSeries | Self | 18 |
| 2011 | Red or Black?Series | Self | 18 |
| 2011 | The VoiceSeries | Self - Coach | 18 |
| 2011 | One Direction: A Year in the MakingMovie | Self | 18 |
| 2010 | BBC Radio 1's Live LoungeSeries | Self | 17 |
| 2010 | Radio 1's Big WeekendSeries | Self | 17 |
| 2010 | A League of Their OwnSeries | Self - Panellist | 17 |
| 2009 | Alan Carr: Chatty ManSeries | Self | 16 |
| 2008 | X FactorSeries | Self - Guest | 15 |
| 2007 | iCarlySeries | Niall Horan | 14 |
| 2007 | The Graham Norton ShowSeries | Self | 14 |
| 2006 | El hormigueroSeries | Él mismo | 13 |
| 2006 | America's Got TalentSeries | Himself - Musical Guest | 13 |
| 2005 | The X FactorSeries | Self | 12 |
| 2004 | The X FactorSeries | Self - Contestant | 11 |
| 2003 | Jimmy Kimmel Live!Series | Self - Guest Host | 10 |
| 2003 | The Ellen DeGeneres ShowSeries | Self | 10 |
| 1999 | Teen Choice AwardsSeries | Self - Musical Guest | 6 |
| 1993 | Late Show with David LettermanSeries | Self | — |
| 1992 | Later... with Jools HollandSeries | Self - Performer | — |
| 1975 | Saturday Night LiveSeries | Self - Musical Guest | — |
| 1974 | American Music AwardsSeries | Self - Musical Guest as One Direction | — |