| Tajuk | Butiran album | Kedudukan carta tertinggi | Jualan |
|---|
KOR
[21] | JPN
[22] | JPN
Hot
[23] | US World
[24] |
|---|
| Oh My Girl | - Dikeluarkan: 20 April 2015 (KOR)
- Label: WM Entertainment
- Format: CD, muat turun digital
| 6 | — | — | — | |
|---|
| Closer | - Dikeluarkan: 8 Oktober 2015 (KOR)
- Label: WM Entertainment
- Format: CD, muat turun digital
| 6 | — | — | — | |
|---|
| Pink Ocean | - Dikeluarkan: 28 Mac 2016 (KOR)
- Label: WM Entertainment
- Format: CD, muat turun digital
| 5 | — | — | — | |
|---|
| Coloring Book | - Dikeluarkan: 3 April 2017 (KOR)
- Label: WM Entertainment
- Format: CD, muat turun digital
| 3 | — | — | — | |
|---|
| Secret Garden | - Dikeluarkan: 9 Januari 2018 (KOR)
- Label: WM Entertainment
- Format: CD, muat turun digital
| 4 | 44 | — | 12 | |
|---|
Banana Allergy Monkey
(As Oh My Girl Banhana) | - Dikeluarkan: 2 April 2018 (KOR)
- Label: WM Entertainment
- Format: CD, muat turun digital
Daftar lagu - Ukiuki Waikiki (Intro)
- Banana Allergy Monkey (바나나 알러지 원숭이) [Hyojung, Binnie, Arin]
- It Is Said (하더라) [Mimi, YooA, Seunghee, Jiho]
- I'm Not in Love with You (반한 게 아냐) [Seunghee solo]
| 5 | — | — | — | |
|---|
- Dikeluarkan: 29 Ogos 2018 (JPN)
- Label: Ariola Japan
- Format: CD, muat turun digital
Daftar lagu - Ukiuki Waikiki (Intro)
- Banana Allergy Monkey (バナナが食べれないサル) [Hyojung, Binnie, Arin]
- It Is Said (そうなんだって) [Mimi, YooA, Seunghee, Jiho]
- I'm Not in Love with You (惚れたんじゃない) [Seunghee solo]
- Banana Allergy Monkey (Instrumental)
- It Is Said (Instrumental)
- I'm Not in Love with You (Instrumental)
| — | 13 | 19 | — | |
| Remember Me | - Dikeluarkan: 10 September 2018 (KOR)
- Label: WM Entertainment
- Format: CD, muat turun digital
| 3 | — | — | 13 | |
|---|
|
| Nonstop | - Dikeluarkan: 27 April 2020 (KOR)
- Label: WM Entertainment
- Format: CD, muat turun digital
| 3 | 8 | — | — | |
|---|
|
