Oh Seung-ah Filmography
| 2025 | To The Moon (TV Series) · as Cho Su-Jin |
| 2025 | Motel California (TV Series) · as Secretary Oh |
| 2023 | The Third Marriage (TV Series) · as Jung Da-Jung |
| 2022 | Vengeance of the Bride (TV Series) · as Kang Ba Da |
| 2021 | Young Lady and Gentleman (TV Series) · as Ahn Ji Min |
| 2021 | The Second Husband (TV Series) · as Yoon Jae-Kyung |
| 2018 | Secrets and Lies (2018) (TV Series) · as Shin Hwa-Kyung |
| 2017 | Drama Stage (TV Series) · as Lee Yi-Na |
| 2017 | A Sea of Her Own (TV Series) · as Yoon Soo-In |
| 2016 | 88 Street (TV Series) · as Yoo So Mi |
| 2014 | Pinocchio (2014) (TV Series) · as Msc News Reporter Interviewee |
| 1999 | The Clinic for Married Couples: Love and War (TV Series) |
| 2018 | fromis_'s Room (TV Series) · as Herself |
| 2011 | Weekly Idol (TV Series) · as Herself |