South Korean Box Office For December 2017
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Along With the Gods: The Two Worlds | $106,868,031 | 1,887 | $21,230,569 | 19.9% | 1,887 | Dec 20 | - | - |
| 2 | 1987: When the Day Comes | $53,720,270 | 1,170 | $10,634,704 | 19.8% | 1,170 | Dec 27 | - | - |
| 3 | Steel Rain | $32,783,733 | 1,389 | $10,532,314 | 32.1% | 1,389 | Dec 14 | - | - |
| 4 | The Greatest Showman | $10,337,722 | 702 | $8,308 | <0.1% | 5 | Dec 15 | - | 20th Century Fox International |
| 5 | Star Wars: Episode VIII - The Last Jedi | $7,981,958 | 1,093 | $5,174,168 | 64.8% | 1,093 | Dec 14 | - | Walt Disney Pictures |
| 6 | The Little Penguin Pororo's Dinosaur Island Adventure | $5,803,077 | 803 | $2,109,942 | 36.4% | 803 | Dec 7 | - | - |
| 7 | Mary and the Witch's Flower | $3,818,035 | 751 | $1,937,272 | 50.7% | 751 | Dec 7 | - | - |
| 8 | Pokémon the Movie: I Choose You! | $3,559,886 | 626 | $1,234,088 | 34.7% | 626 | Dec 21 | - | - |
| 9 | Monster Family | $2,752,078 | 583 | $952,103 | 34.6% | 583 | Dec 21 | - | - |
| 10 | Wonder | $1,467,983 | 178 | $583,777 | 39.8% | 178 | Dec 27 | - | - |
| 11 | American Assassin | $1,435,251 | 528 | $887,243 | 61.8% | 528 | Dec 7 | - | Woo Sung Entertainment |
| 12 | Paterson | $489,193 | 60 | $65,956 | 13.5% | 60 | Dec 21 | - | - |
| 13 | The Star | $449,524 | 158 | $188,026 | 41.8% | 158 | Dec 21 | - | Sony Pictures Releasing |
| 14 | Rilu Rilu Fairilu: Yosei no Door | $426,298 | 207 | $258,343 | 60.6% | 207 | Dec 14 | - | - |
| 15 | PriPara: Everyone's Yearning Let's Go PriPari 2017 Re-release | $401,489 | 191 | $157,966 | 39.3% | 191 | Dec 28 | - | - |
| 16 | Tulip Fever | $392,455 | 359 | $174,629 | 44.5% | 359 | Dec 14 | - | Activers Entertainment |
| 17 | Sermon on the Mount | $329,199 | 67 | $47,389 | 14.4% | 67 | Dec 7 | - | - |
| 18 | The Third Murder | $260,215 | 117 | $65,338 | 25.1% | 117 | Dec 14 | - | - |
| 19 | Soulmate 2017 Re-release | $179,936 | 165 | $63,129 | 35.1% | 165 | Dec 7 | - | - |
| 20 | Salyut-7 | $149,813 | 239 | $68,176 | 45.5% | 239 | Dec 7 | - | - |
| 21 | Gintama Live Action the Movie | $126,839 | 137 | $58,770 | 46.3% | 137 | Dec 7 | - | - |
| 22 | Double Lover | $82,448 | 48 | $26,454 | 32.1% | 48 | Dec 28 | - | - |
| 23 | The Return | $65,395 | 58 | $20,810 | 31.8% | 58 | Dec 7 | - | - |
| 24 | A Ghost Story | $60,620 | 49 | $21,361 | 35.2% | 49 | Dec 28 | - | - |
| 25 | Slumber | $46,821 | 118 | $31,004 | 66.2% | 118 | Dec 7 | - | - |
| 26 | A Serious Game | $40,511 | 15 | - | - | - | Dec 21 | - | - |
| 27 | The First Lap | $37,810 | 47 | $12,104 | 32% | 47 | Dec 7 | - | - |
| 28 | Before I Die | $35,841 | 4 | $5,672 | 15.8% | 3 | Dec 21 | - | - |
| 29 | The Anthem of the Heart | $30,249 | 94 | $9,934 | 32.8% | 94 | Dec 7 | - | - |
| 30 | One Week Friends | $11,890 | 29 | $7,023 | 59.1% | 29 | Dec 28 | - | - |
| 31 | The Snowman | $11,624 | 1 | $5,679 | 48.9% | 1 | Dec 14 | - | Universal Pictures International (UPI) |
| 32 | Overdrive | $9,028 | 62 | $6,624 | 73.4% | 62 | Dec 14 | - | - |
| 33 | Thank You for Your Service | $8,467 | 71 | $6,291 | 74.3% | 71 | Dec 7 | - | - |
This chart only reflects 98 percent of total screens in South Korea.
