This is a list of films which placed number-one at the South Korean box office during 2015.
| Date | Film | Gross | |
|---|---|---|---|
| 1 | Ode to My Father | $27,888,360 | |
| 2 | Ode to My Father | $18,152,202 | |
| 3 | Ode to My Father | $20,776,821 | |
| 4 | Gangnam Blues | $19,696,444 | |
| 5 | Gangnam Blues | $10,439,156 | |
| 6 | C'est Si Bon | $12,154,727 | |
| 7 | $15,463,353 | ||
| 8 | Detective K: Secret of the Lost Island | $27,947,003 | |
| 9 | $12,997,201 | ||
| 10 | Kingsman: The Secret Service | $11,544,938 | |
| 11 | The Deal | $12,675,750 | |
| 12 | Whiplash | $11,454,184 | |
| 13 | Twenty | $12,333,580 | |
| 14 | Furious 7 | $14,472,432 | |
| 15 | Furious 7 | $10,219,469 | |
| 16 | Furious 7 | $8,502,444 | |
| 17 | $25,351,834 | ||
| 18 | Avengers: Age of Ultron | $25,052,745 | |
| 19 | Avengers: Age of Ultron | $11,725,297 | |
| 20 | $15,376,958 | ||
| 21 | Mad Max: Fury Road | $17,547,026 | |
| 22 | Mad Max: Fury Road | $13,983,504 | |
| Rank | Title | Country | Admissions | Domestic gross |
|---|---|---|---|---|
| 1. | Veteran | South Korea | 13,414,009 | |
| 2. | Assassination | 12,705,700 | ||
| 3. | United States | 10,494,499 | ||
| 4. | Ode to My Father | South Korea | 8,915,904 | |
| 5. | Inside Men | 7,055,342 | ||
| 6. | The Throne | 6,246,851 | ||
| 7. | United States United Kingdom | 6,129,681 | ||
| 8. | United States | 6,126,488 | ||
| 9. | Northern Limit Line | South Korea | 6,043,784 | |
| 10. | Jurassic World | United States | 5,546,792 | |
| Rank | Title | Admissions | Domestic gross |
|---|---|---|---|
| 1. | Veteran | 13,414,009 | |
| 2. | Assassination | 12,705,700 | |
| 3. | Ode to My Father | 8,915,904 | |
| 4. | Inside Men | 7,055,342 | |
| 5. | The Throne | 6,246,851 | |
| 6. | Northern Limit Line | 6,043,784 | |
| 7. | The Priests | 5,442,128 | |
| 8. | The Himalayas | 5,129,431 | |
| 9. | 3,872,015 | ||
| 10. | Twenty | 3,044,811 | |