Ro Jong-hyun Filmography
| 2025 | Undercover High School (TV Series) · as Lee Jun-Ho |
| 2024 | BEGINS ≠ YOUTH (TV Series) · as Min Se-In |
| 2023 | The Story of Park's Marriage Contract (TV Series) · as Lee Seok-Joo |
| 2023 | Duty After School (TV Series) · as Jang Young-Hoon |
| 2022 | O'PENing (TV Series) · as Song Ho-Jae |
| 2022 | In Our Prime · as Ddal-Bong |
| 2021 | Squid Game (TV Series) · as Drone Mercenary 2 |
| 2020 | Live On (TV Series) · as Do Woo-Jae |
| 2020 | Kkondae Intern (TV Series) · as Joo Yoon-Soo |
| 2019 | Strangers From Hell (TV Series) · as Kang Seok-Yoon |
| 2019 | He is Psychometric (TV Series) · as Lee Dae-Bong |
| 2019 | Romance is a Bonus Book (TV Series) · as Ji Yul's Boyfriend |
| 2018 | Life on Mars (KR) (TV Series) · as Jo Nam-Sik |
| 2018 | Short (TV Series) · as Maeng Man Bok |
| 2017 | Drama Stage (TV Series) |
| 2017 | Because This Is My First Life (TV Series) · as Yoon Ji-Suk |