Lee Won-keun Filmography
| 2022 | A Superior Day (TV Series) · as Kwon Si-Woo |
| 2021 | One the Woman (TV Series) · as Ahn Yoo-Jun |
| 2019 | Bring Me Home · as Seung-Hyun |
| 2019 | Rosebud · as Young Myung-Hwan |
| 2018 | Feng Shui · as King Heon-Jong |
| 2018 | Wretches · as Jae-Young |
| 2017 | Jugglers (TV Series) · as Hwangbo Yool |
| 2017 | Someone You Might Know (TV Series) · as Kim Jin-Young |
| 2017 | Queen of Mystery (TV Series) · as Chief Hong |
| 2016 | In Between Seasons · as Yong-Jun |
| 2016 | Misbehavior · as Jae-Ha |
| 2016 | The Net · as Oh Jin-Woo |
| 2016 | The Good Wife (KR) (TV Series) · as Lee Joon-Ho |
| 2016 | Thumping Spike (TV Series) · as Dong Hae Sung |
| 2015 | Cheer UP! (TV Series) · as Kim Yeol |
| 2015 | Hyde, Jekyll, and I (TV Series) · as Lee Eun-Chang |
| 2014 | The Diary of Heong Yeong-dang · as Kim Hong-Yeon |
| 2014 | Longing for Spring (TV Series) · as Soo Kwon Tae |
| 2014 | Secret Door (TV Series) · as Kim Moon |
| 2014 | Wild Chives and Soy Bean Soup (TV Series) · as Yoo Joon-Soo (young) |
| 2014 | The Boy · as The Boy |
| 2013 | Passionate Love (2013) (TV Series) · as Kang Moo-Yeol (young) |
| 2012 | Ghost (TV Series) · as Kwon Do-Young |
| 2012 | The Moon that Embraces the Sun (TV Series) · as Kim Jae-Woon (young) |
| 2010 | KBS Drama Special (TV Series) · as Hamburger Place Employee |
| 2016 | Celebrity Bromance (TV Series) · as Himself |