Hong Jong-hyun Filmography
| 2025 | Dear X (TV Series) · as Moon Do Hyeok |
| 2025 | My Dearest Nemesis (TV Series) · as Kim Sin Won |
| 2024 | Finding Handsome (TV Series) · as Handsome |
| 2024 | What Comes After Love (TV Series) · as Kim Min-Jun |
| 2023 | The Killing Vote (TV Series) · as The Executor |
| 2023 | R.A.C.E (TV Series) · as Ryu Jae-Min |
| 2022 | Stock Struck (TV Series) · as Choi Sun-Woo |
| 2022 | 배우는 캠핑짱 (TV Series) |
| 2020 | Sweet Home (TV Series) · as Lee Dong-Jun |
| 2019 | My Absolute Boyfriend (TV Series) · as Ma Wang-Joon |
| 2019 | Spring, Again · as Ho-Min |
| 2019 | Mother of Mine (TV Series) · as Han Tae-Joo |
| 2018 | The Player (2018) (TV Series) · as Shin Hyung-Min |
| 2017 | The King Loves (TV Series) · as Wang Rin |
| 2016 | Scarlet Heart: Ryeo (TV Series) · as Wang Yo (3rd Prince) |
| 2015 | Alice: Boy from Wonderland · as Hwan |
| 2015 | Enemies In-Law · as Han Chul-Soo |
| 2014 | Mama - Nothing to Fear (TV Series) · as Gu Ji-Sub |
| 2014 | Her Lovely Heels · as Oh Tae-Soo |
| 2014 | Her Lovely Heels (TV Series) · as Oh Tae Soo |
| 2013 | Dating Agency: Cyrano (TV Series) · as Moo-Jin |
| 2012 | Jeon Woo Chi (TV Series) · as Seo Chan-Hwi |
| 2012 | Wild Romance (TV Series) · as Seo Yoon-Yi |
| 2011 | Vampire Idol (TV Series) · as Hong Jong-Hyeon / "yariru" |
| 2011 | Law of the Jungle (TV Series) |
| 2011 | Warrior Baek Dong Soo (TV Series) · as King Jeongjo |
| 2011 | White Christmas (TV Series) · as Lee Jae-Kyu |
| 2010 | Jungle Fish (TV Series) |
| 2010 | Running Man (TV Series) |
| 2010 | KBS Drama Special (TV Series) · as Handsome |
| 2010 | Oh! My Lady (TV Series) · as Park Jin-Ho |
| 2009 | Be with Me · as Jae-Young |
| 2009 | No Limit (2009) (TV Series) · as Hong Kyung Rae |
| 2009 | One Step More to the Sea · as Joon-Seo |
| 2008 | A Frozen Flower · as King's Man #1 |
| 2008 |
| 2018 | Busted! (TV Series) · as Hong Jong-Hyun |
| 2018 | Amazing Saturday (TV Series) · as Self |
| 2016 | Dining Together (TV Series) · as Himself |
| 2008 | We Got Married (TV Series) · as Himself |
| 1999 | MAMA Awards (TV Series) · as Self - Presenter |
| 1991 | Inkigayo (TV Series) · as Self - Host |