| Rank | Release
| Genre
| Budget
| Running Time
| Gross | Theaters | Total Gross | Release Date | Distributor
| Estimated
|
|---|
| 1 | Wonder Woman 1984 | - | - | - | $2,451,093 | 2,260 | $4,398,287 | Dec 23 | Lotte Entertainment | false |
| 2 | Collectors | - | - | - | $1,229,715 | 1,634 | $12,490,420 | Nov 4 | Warner Bros. | false |
| 3 | 1917 | - | - | - | $1,168,420 | 880 | $6,602,234 | Feb 19 | Warner Bros. | false |
| 4 | Run | - | - | - | $737,568 | 799 | $2,299,786 | Nov 20 | Warner Bros. | false |
| 5 | Josée | - | - | - | $649,909 | 1,019 | $1,697,922 | Dec 10 | Lotte Entertainment | false |
| 6 | In the Mood for Love 2020 Re-release | - | - | - | $242,605 | 447 | $811,835 | - | Lotte Entertainment | false |
| 7 | Samjin Company English Class | - | - | - | $196,097 | 1,614 | $12,761,386 | Oct 21 | Lotte Entertainment | false |
| 8 | The Prom | - | - | - | $125,562 | 560 | $187,430 | Dec 2 | Warner Bros. | false |
| 9 | Violet Evergarden: The Movie | - | - | - | $118,366 | 131 | $398,866 | Nov 12 | Warner Bros. | false |
| 10 | Love Actually 2020 Re-release | - | - | - | $111,484 | 232 | $230,588 | - | Lotte Entertainment | false |
| 11 | The Eight Hundred | - | - | - | $95,384 | 223 | $112,900 | Dec 10 | Warner Bros. | false |
| 12 | Unplanned | - | - | - | $93,099 | 281 | $105,903 | Dec 17 | Warner Bros. | false |
| 13 | 100% Wolf | - | - | - | $81,671 | 370 | $116,720 | Dec 24 | Lotte Entertainment | false |
| 14 | Fatima | - | - | - | $81,477 | 160 | $107,444 | Dec 3 | Warner Bros. | false |
| 15 | Before the Wrath | - | - | - | $70,402 | 116 | $105,697 | Nov 26 | Warner Bros. | false |
| 16 | American Folk 2020 Re-release | - | - | - | $63,875 | 242 | $75,829 | Dec 16 | Lotte Entertainment | false |
| 17 | Pawn | - | - | - | $57,840 | 1,034 | $13,555,859 | Sep 29 | Warner Bros. | false |
| 18 | The Day I Died: Unclosed Case | - | - | - | $51,326 | 909 | $1,949,722 | Nov 12 | Warner Bros. | false |
| 19 | The Notebook | - | - | - | $51,154 | 561 | $4,513,467 | Nov 26 | Warner Bros. | false |
| 20 | Summer of 85 | - | - | - | $44,335 | 122 | $65,868 | Dec 24 | Lotte Entertainment | false |
| 21 | The Love Letter | - | - | - | $33,894 | 109 | $836,667 | Nov 20 | Warner Bros. | false |
| 22 | A Christmas Gift from Bob | - | - | - | $33,312 | 202 | $46,138 | Dec 24 | Lotte Entertainment | false |
| 23 | Fate/stay night [Heaven's Feel] III. spring song | - | - | - | $31,804 | 149 | $682,835 | Oct 22 | Warner Bros. | false |
| 24 | The Golden Holiday | - | - | - | $25,535 | 1,041 | $4,132,817 | Sep 29 | Warner Bros. | false |
| 25 | The Midnight Sky | - | - | - | $24,608 | 218 | $40,487 | Dec 9 | Warner Bros. | false |
| 26 | Undine | - | - | - | $21,810 | 42 | $58,763 | Dec 24 | Lotte Entertainment | false |
| 27 | First Love | - | - | - | $20,073 | 79 | $17,054 | May 16 | Lotte Entertainment | false |
| 28 | Lucky Monster | - | - | - | $18,250 | 97 | $25,829 | Dec 3 | Warner Bros. | false |
| 29 | And Then We Danced | - | - | - | $15,575 | 79 | $41,872 | Nov 25 | Warner Bros. | false |
| 30 | I Wish Someone Were Waiting for Me Somewhere | - | - | - | $13,266 | 47 | $19,210 | Dec 17 | Lotte Entertainment | false |
| 31 | Hope | - | - | - | $13,181 | 171 | $18,964 | Dec 17 | Lotte Entertainment | false |
| 32 | The Tax Collector | - | - | - | $12,095 | 293 | $126,530 | Nov 18 | Warner Bros. | false |
| 33 | Level 16 | - | - | - | $12,024 | 137 | $15,575 | Dec 10 | Warner Bros. | false |
| 34 | Better Days | - | - | - | $8,251 | 467 | $1,993,350 | Jul 9 | - | false |
| 35 | Octonauts & the Great Barrier Reef | - | - | - | $7,515 | 187 | $151,898 | Nov 12 | Warner Bros. | false |
| 36 | La La Land 2020 Re-release | - | - | - | $6,204 | 57 | $24,394,431 | - | Lotte Entertainment | false |
| 37 | Radioactive | - | - | - | $5,738 | 403 | $172,830 | Nov 18 | Warner Bros. | false |
| 38 | Josee, the Tiger and the Fish 2020 Re-release | - | - | - | $5,684 | 33 | $101,195 | Mar 31 | Warner Bros. | false |
| 39 | Showgirls 2020 Re-release | - | - | - | $5,604 | 20 | $7,608 | - | Lotte Entertainment | false |
| 40 | Antigone | - | - | - | $5,366 | 122 | $78,796 | Nov 19 | Warner Bros. | false |
| 41 | The Dark Knight 2020 Re-release | - | - | - | $4,953 | 378 | $1,058,746 | Jul 3 | Warner Bros. | false |
| 42 | Hunting and Gathering 2020 Re-release | - | - | - | $4,546 | 29 | $6,377 | Dec 24 | Lotte Entertainment | false |
| 43 | Ava | - | - | - | $4,530 | 436 | $174,557 | Sep 9 | Warner Bros. | false |
| 44 | Valerian and the City of a Thousand Planets 2020 Re-release | - | - | - | $4,437 | 64 | $99,112 | - | Lotte Entertainment | false |
| 45 | Evaporated | - | - | - | $4,093 | 12 | $18,973 | Nov 12 | Warner Bros. | false |
| 46 | Coda | - | - | - | $4,064 | 308 | $527,423 | Aug 31 | Warner Bros. | false |
| 47 | Little Women | - | - | - | $4,005 | 1,099 | $5,466,892 | - | Warner Bros. | false |
| 48 | The Day Shall Come | - | - | - | $3,801 | 59 | $8,040 | Dec 9 | Warner Bros. | false |
| 49 | Winter's Night | - | - | - | $3,657 | 49 | $7,843 | Dec 10 | Warner Bros. | false |
| 50 | Night of the Undead | - | - | - | $3,598 | 551 | $783,676 | Sep 29 | Warner Bros. | false |
| 51 | Last Holiday | - | - | - | $3,506 | 11 | $4,922 | Dec 10 | Warner Bros. | false |
| 52 | Buen Camino | - | - | - | $3,334 | 12 | $11,524 | Mar 19 | Warner Bros. | false |
| 53 | Beasts Clawing at Straws | - | - | - | $3,004 | 681 | $5,012,328 | Feb 19 | Warner Bros. | false |
| 54 | Voice of Silence | - | - | - | $1,731 | 999 | $3,271,053 | Oct 15 | Warner Bros. | false |
