| Rank | Release
| Genre
| Budget
| Running Time
| Gross | Theaters | Total Gross | Release Date | Distributor
| Estimated
|
|---|
| 1 | Private Eye | - | - | - | $8,967,323 | 441 | $10,096,836 | Apr 2 | CJ Entertainment | false |
| 2 | My Girlfriend Is an Agent | - | - | - | $5,277,447 | 555 | $20,452,287 | Apr 22 | Lotte Entertainment | false |
| 3 | Knowing | - | - | - | $4,487,786 | 432 | $5,502,635 | Apr 16 | Next Entertainment World (NEW) | false |
| 4 | Fast & Furious | - | - | - | $3,324,689 | 334 | $3,616,904 | Apr 2 | United International Pictures | false |
| 5 | Slumdog Millionaire | - | - | - | $2,699,614 | 244 | $6,193,387 | Mar 19 | CJ Entertainment | false |
| 6 | District 13: Ultimatum | - | - | - | $2,318,555 | 289 | $2,650,165 | Apr 16 | KD Media | false |
| 7 | The Reader | - | - | - | $1,423,467 | 285 | $2,321,258 | Mar 26 | SK Telecom | false |
| 8 | Scandal Makers | - | - | - | $1,364,808 | 524 | $41,281,917 | Dec 4 | Lotte Entertainment | false |
| 9 | Monsters vs. Aliens | - | - | - | $1,324,054 | 370 | $3,526,735 | Apr 23 | CJ Entertainment | false |
| 10 | Why Did You Come to My House? | - | - | - | $953,941 | 284 | $1,127,017 | Apr 9 | - | false |
| 11 | Thirst | - | - | - | $897,854 | 633 | $11,950,322 | Apr 30 | CJ Entertainment | false |
| 12 | Missing | - | - | - | $773,097 | 321 | $3,441,159 | Mar 19 | Synergy | false |
| 13 | Confessions of a Shopaholic | - | - | - | $760,090 | 213 | $1,517,220 | Mar 26 | Walt Disney Pictures | false |
| 14 | Old Partner | - | - | - | $692,520 | 308 | $15,287,483 | Jan 15 | Indiestory Incorporation | false |
| 15 | Push | - | - | - | $653,207 | 314 | $3,528,520 | Mar 19 | Lotte Entertainment | false |
| 16 | Ip Man | - | - | - | $507,575 | 208 | $548,647 | Apr 16 | CJ Entertainment | false |
| 17 | Bride Wars | - | - | - | $480,015 | 258 | $488,185 | Apr 2 | 20th Century Fox International | false |
| 18 | Breathless | - | - | - | $456,981 | 84 | $668,323 | Apr 16 | - | false |
| 19 | Suspect X | - | - | - | $440,307 | 184 | $497,358 | Apr 9 | Next Entertainment World (NEW) | false |
| 20 | Chaos | - | - | - | $423,316 | 210 | $1,012,777 | Mar 26 | Sidus | false |
| 21 | Insadong Scandal | - | - | - | $380,818 | 408 | $6,177,474 | Apr 29 | SK Telecom | false |
| 22 | New in Town | - | - | - | $350,197 | 168 | $392,361 | Apr 9 | Showbox Entertainment | false |
| 23 | Vicky Cristina Barcelona | - | - | - | $295,102 | 163 | $357,372 | Apr 16 | Prime Entertainment | false |
| 24 | Echelon Conspiracy | - | - | - | $219,727 | 233 | $719,388 | Mar 26 | Sungwon I Com | false |
| 25 | The Uninvited | - | - | - | $212,749 | 116 | $235,646 | Apr 9 | CJ Entertainment | false |
| 26 | Duplicity | - | - | - | $210,494 | 156 | $235,848 | Apr 16 | United International Pictures | false |
| 27 | Admiral | - | - | - | $197,897 | 94 | $234,039 | Apr 23 | - | false |
| 28 | The Curious Case of Benjamin Button | - | - | - | $193,386 | 384 | $10,533,860 | Feb 12 | Warner Bros. | false |
| 29 | Forever Enthralled | - | - | - | $187,410 | 215 | $211,555 | Apr 9 | SK Telecom | false |
| 30 | More Than Blue | - | - | - | $179,578 | 443 | $3,463,423 | Mar 12 | Showbox Entertainment | false |
| 31 | Thomas & Friends: The Great Discovery - The Movie | - | - | - | $170,408 | 84 | $188,317 | Apr 9 | - | false |
| 32 | Gran Torino | - | - | - | $164,972 | 133 | $720,438 | Mar 19 | Warner Bros. | false |
| 33 | Burn After Reading | - | - | - | $88,761 | 61 | $213,154 | Mar 26 | United International Pictures | false |
| 34 | State of Play | - | - | - | $79,603 | 254 | $784,644 | Apr 30 | Universal Pictures International (UPI) | false |
| 35 | Calling | - | - | - | $71,349 | 28 | $503,804 | Apr 2 | - | false |
| 36 | Dragonball Evolution | - | - | - | $60,912 | 343 | $2,013,402 | Mar 12 | 20th Century Fox International | false |
| 37 | Sisters on the Road | - | - | - | $40,155 | 20 | $116,200 | Apr 23 | Walt Disney Pictures | false |
| 38 | Cherry Blossoms | - | - | - | $31,268 | 12 | $158,124 | Oct 22 | - | false |
| 39 | The Fall | - | - | - | $17,900 | 13 | $135,664 | Dec 4 | - | false |
| 40 | Summer Hours | - | - | - | $16,598 | 7 | $25,951 | Mar 26 | - | false |
| 41 | Yakuza: Like a Dragon 2009 Re-release | - | - | - | $13,770 | 195 | $1,120,857 | Apr 30 | - | false |
| 42 | Garfield's Fun Fest | - | - | - | $12,998 | 109 | $431,096 | Feb 19 | KD Media | false |
| 43 | Tokyo Sonata | - | - | - | $12,388 | 3 | $26,090 | Mar 19 | - | false |
| 44 | Black Ice 2008 Re-release | - | - | - | $10,176 | 3 | $19,539 | Apr 23 | - | false |
| 45 | Mosfilm Retrospective | - | - | - | $10,025 | 1 | $14,038 | Mar 31 | - | false |
| 46 | Elegy | - | - | - | $9,872 | 11 | $43,567 | Mar 19 | - | false |
| 47 | The Accidental Husband | - | - | - | $8,794 | 272 | $1,231,952 | Mar 12 | Sidus | false |
| 48 | Daytime Drinking | - | - | - | $8,048 | 15 | $140,617 | Feb 5 | - | false |
| 49 | Antonia's Line | - | - | - | $7,583 | 4 | $21,046 | Jan 11 | - | false |
| 50 | Open Season 2 | - | - | - | $7,245 | 88 | $199,915 | Mar 12 | - | false |
| 51 | Around Space: Journey Through the Universe with the Hubble Space Telescope | - | - | - | $6,827 | 3 | $151,060 | Jul 3 | - | false |
| 52 | Son of Rambow | - | - | - | $4,109 | 85 | $61,782 | Apr 16 | - | false |
| 53 | Revolutionary Road | - | - | - | $3,995 | 93 | $284,229 | Feb 19 | CJ Entertainment | false |
| 54 | Watchmen | - | - | - | $3,151 | 397 | $3,053,729 | Mar 5 | United International Pictures | false |
| 55 | Friday the 13th | - | - | - | $3,031 | 175 | $1,089,479 | Mar 12 | CJ Entertainment | false |
| 56 | Shortbus | - | - | - | $2,993 | 58 | $90,352 | Mar 12 | Silver Spoon | false |
| 57 | Beyblade: The Movie - Fierce Battle 2009 Re-release | - | - | - | $2,753 | 135 | $169,467 | Jan 15 | Lotte Entertainment | false |
| 58 | The Scam | - | - | - | $2,468 | 485 | $7,486,498 | Feb 12 | Showbox Entertainment | false |
| 59 | I Want to Live as a Fisherman | - | - | - | $2,228 | 6 | $2,783 | Apr 16 | - | false |
| 60 | Departures | - | - | - | $1,977 | 206 | $659,714 | Oct 30 | KD Media | false |
| 61 | Grandmother's Flower | - | - | - | $1,928 | 11 | $6,104 | Mar 19 | - | false |
| 62 | Oishii Man | - | - | - | $911 | 16 | $40,336 | Feb 19 | - | false |
| 63 | The Fast and the Furious 2009 Re-release | - | - | - | $864 | 1 | $938 | Apr 16 | - | false |
| 64 | Double Agent | - | - | - | $798 | 54 | $843 | Jan 24 | - | false |
| 65 | Twilight | - | - | - | $783 | 441 | $7,918,638 | Dec 11 | Next Entertainment World (NEW) | false |
| 66 | Mamma Mia! | - | - | - | $744 | 523 | $24,181,130 | Sep 3 | United International Pictures | false |
| 67 | Traveling with Yoshitomo Nara 2009 Re-release | - | - | - | $531 | 1 | $1,405 | May 4 | - | false |
| 68 | The Wrestler | - | - | - | $404 | 175 | $296,753 | Mar 5 | Next Entertainment World (NEW) | false |
| 69 | The Room Nearby | - | - | - | $304 | 1 | $1,269 | Mar 12 | - | false |
| 70 | 24 City | - | - | - | $138 | 1 | $9,025 | Jan 29 | - | false |
| 71 | In Bruges | - | - | - | $47 | 97 | $278,619 | Mar 5 | Synergy | false |
| 72 | Frost/Nixon | - | - | - | $31 | 88 | $109,527 | Mar 5 | United International Pictures | false |
