Lee Sang-un Filmography
| 2025 | The First Night With the Duke (TV Series) · as Cha Jang-Ho |
| 2023 | True to Love (TV Series) · as Yang Jin-U |
| 2022 | The Fabulous (TV Series) · as Joseph |
| 2022 | O'PENing (TV Series) · as Park Yeong-Jin |
| 2021 | Lovers of the Red Sky (TV Series) · as Seo Ki-Jung |
| 2021 | Times (2021) (TV Series) · as Jang Young-Joon |
| 2020 | Royal Secret Agent (TV Series) |
| 2020 | The Good Detective (TV Series) · as Song Gwang Hee |