South Korean Box Office For March 2018
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Gonjiam: Haunted Asylum | $15,619,857 | 1,124 | $7,590,270 | 48.6% | 1,124 | Mar 28 | - | Universal Pictures International (UPI) |
| 2 | The Vanished | $10,083,104 | 925 | $4,145,546 | 41.1% | 925 | Mar 7 | - | - |
| 3 | Pacific Rim: Uprising | $8,549,142 | 431 | $5,896,940 | 69% | 431 | Mar 21 | - | Universal Pictures International (UPI) |
| 4 | Tomb Raider | $4,200,000 | 806 | $2,546,222 | 60.6% | 806 | Mar 8 | - | Warner Bros. |
| 5 | Night of 7 Years | $3,692,539 | 812 | $1,830,105 | 49.6% | 812 | Mar 28 | - | - |
| 6 | Cheese in the Trap | $1,779,970 | 364 | $834,690 | 46.9% | 364 | Mar 14 | - | - |
| 7 | The Hurricane Heist | $1,586,800 | 544 | $931,711 | 58.7% | 544 | Mar 14 | - | - |
| 8 | Be with You | $824,740 | 1,190 | $5,321,328 | 645.2% | 1,162 | Mar 14 | - | - |
| 9 | Mini Special Forces X | $691,040 | 33 | - | - | - | Mar 22 | - | - |
| 10 | Mi-Ni-Teuk-Gong-Dae X | $666,204 | 458 | $358,508 | 53.8% | 458 | Mar 22 | - | - |
| 11 | The Florida Project | $664,208 | 126 | $190,119 | 28.6% | 126 | Mar 7 | - | - |
| 12 | Three Billboards Outside Ebbing, Missouri | $613,599 | 109 | $322,047 | 52.5% | 109 | Mar 15 | - | 20th Century Fox International |
| 13 | Microhabitat | $424,025 | 261 | $133,042 | 31.4% | 261 | Mar 22 | - | - |
| 14 | Only the Brave | $363,806 | 289 | $295,099 | 81.1% | 289 | Mar 7 | - | Korea Screen |
| 15 | Mary Magdalene | $253,170 | 93 | $87,258 | 34.5% | 93 | Mar 28 | - | Universal Pictures International (UPI) |
| 16 | Phantom Thread | $232,584 | 47 | $53,548 | 23% | 34 | Mar 8 | - | Universal Pictures International (UPI) |
| 17 | Logan Lucky | $169,427 | 257 | $105,808 | 62.5% | 257 | Mar 15 | - | Noori Pictures |
| 18 | Narratage | $135,885 | 146 | $69,153 | 50.9% | 146 | Mar 8 | - | - |
| 19 | Boonie Bears: The Big Top Secret | $115,238 | 301 | $79,348 | 68.9% | 301 | Mar 15 | - | - |
| 20 | T-Guardians | $104,296 | 136 | $54,939 | 52.7% | 136 | Mar 15 | - | - |
| 21 | A Better Tomorrow 2018 | $90,662 | 110 | $35,264 | 38.9% | 110 | Mar 23 | - | Warner Bros. |
| 22 | The Bachelors | $84,422 | 98 | $30,399 | 36% | 98 | Mar 28 | - | - |
| 23 | I, Tonya | $75,987 | 187 | $35,014 | 46.1% | 187 | Mar 8 | - | Noori Pictures |
| 24 | The Midwife | $71,489 | 90 | $23,957 | 33.5% | 90 | Mar 22 | - | - |
| 25 | Axel 2: Adventures of the Spacekids | $66,348 | 121 | $49,684 | 74.9% | 121 | Mar 8 | - | - |
| 26 | Singing with Angry Bird | $63,565 | 53 | $9,013 | 14.2% | 53 | Mar 8 | - | - |
| 27 | Notebook from My Mother | $56,047 | 74 | $13,688 | 24.4% | 74 | Mar 15 | - | - |
| 28 | Puella Magi Madoka Magica the Movie Part III: The Rebellion Story 2018 Re-release | $38,113 | 62 | $21,717 | 57% | 62 | Mar 15 | - | - |
| 29 | The Night Is Short, Walk on Girl | $37,126 | 45 | $14,774 | 39.8% | 45 | Mar 29 | - | - |
| 30 | 120 BPM (Beats Per Minute) | $33,224 | 33 | $10,261 | 30.9% | 33 | Mar 15 | - | - |
| 31 | A Field Day | $28,277 | 81 | $15,734 | 55.6% | 81 | Mar 22 | - | - |
| 32 | Wretches | $19,772 | 52 | $11,488 | 58.1% | 52 | Mar 8 | - | - |
| 33 | March of the Penguins 2: The Next Step | $19,060 | 54 | $6,292 | 33% | 54 | Mar 1 | - | - |
| 34 | Parallel | $11,132 | 58 | $3,019 | 27.1% | 58 | Mar 7 | - | - |
| 35 | Yes PyeongChang | $4,831 | 1 | - | - | - | Mar 8 | - | - |
This chart only reflects 98 percent of total screens in South Korea.