Yeon Jun-seok Filmography
| 2022 | Bad Prosecutor (TV Series) · as Lee Cheol-Gi |
| 2018 | My Strange Hero (TV Series) · as Oh Young-Min |
| 2018 | 60 Days of Summer · as Jae-Hoon |
| 2018 | Your House Helper (TV Series) · as Park Ga-Ram |
| 2018 | Dangwon Office (TV Series) |
| 2016 | Unforgettable · as San-Dol |
| 2016 | Choco Bank (TV Series) · as Bae Dal Soo |
| 2016 | Mystery Freshman (TV Series) · as Lee Min-Seong |
| 2016 | Mystery Freshman (TV Series) · as Lee Min-Sung |
| 2013 | Answer Me 1994 (TV Series) · as Kim Dong-Woo |
| 2013 | Don't Look Back: The Legend of Orpheus (TV Series) · as Han Yi-Soo (young) |
| 2012 | Cheer Up, Mr. Kim! (TV Series) · as Ri Cheol-Ryong |
| 2012 | Happy Ending (TV Series) · as Choi Dong-Ha |
| 2011 | Goodbye, Boy · as Jin-Woo |
| 2010 | KBS Drama Special (TV Series) · as Tae-Seok |
| 2009 | Shining Inheritance (TV Series) · as Go Eun-Woo |
| 2008 | Lost and Found · as Junior High Dong-Sik |
| 2008 | Il Ji-Mae: The Phantom Thief (TV Series) · as Han-Woo |
| 2006 | Bloody Reunion · as Young Myung-Ho |