South Korean Box Office For April 2009
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | My Girlfriend Is an Agent | $20,452,287 | 555 | $2,971,217 | 14.5% | 555 | Apr 22 | - | Lotte Entertainment |
| 2 | Thirst | $11,950,322 | 633 | $3,357,466 | 28.1% | 633 | Apr 30 | - | CJ Entertainment |
| 3 | Private Eye | $10,096,836 | 441 | $2,345,558 | 23.2% | 441 | Apr 2 | - | CJ Entertainment |
| 4 | X-Men Origins: Wolverine | $6,631,942 | 573 | $2,078,263 | 31.3% | 573 | Apr 29 | - | 20th Century Fox International |
| 5 | Insadong Scandal | $6,177,474 | 408 | $1,407,897 | 22.8% | 408 | Apr 29 | - | SK Telecom |
| 6 | Knowing | $5,502,635 | 432 | $1,828,104 | 33.2% | 432 | Apr 16 | - | Next Entertainment World (NEW) |
| 7 | Fast & Furious | $3,616,904 | 334 | $1,004,170 | 27.8% | 334 | Apr 2 | - | United International Pictures |
| 8 | Monsters vs. Aliens | $3,526,735 | 370 | $1,091,989 | 31% | 370 | Apr 23 | - | CJ Entertainment |
| 9 | District 13: Ultimatum | $2,650,165 | 289 | $903,405 | 34.1% | 289 | Apr 16 | - | KD Media |
| 10 | Why Did You Come to My House? | $1,127,017 | 284 | $530,286 | 47.1% | 244 | Apr 9 | - | - |
| 11 | Yakuza: Like a Dragon 2009 Re-release | $1,120,857 | 195 | $222,514 | 19.9% | 195 | Apr 30 | - | - |
| 12 | State of Play | $784,644 | 254 | $246,099 | 31.4% | 254 | Apr 30 | - | Universal Pictures International (UPI) |
| 13 | Breathless | $668,323 | 84 | $112,902 | 16.9% | 64 | Apr 16 | - | - |
| 14 | Mèche Blanche, les aventures du petit castor | $562,159 | 220 | $138,615 | 24.7% | 220 | Apr 30 | - | - |
| 15 | Ip Man | $548,647 | 208 | $225,393 | 41.1% | 208 | Apr 16 | - | CJ Entertainment |
| 16 | Calling | $503,804 | 28 | $3,624 | 0.7% | 1 | Apr 2 | - | - |
| 17 | Suspect X | $497,358 | 184 | $261,020 | 52.5% | 184 | Apr 9 | - | Next Entertainment World (NEW) |
| 18 | Bride Wars | $488,185 | 258 | $267,585 | 54.8% | 258 | Apr 2 | - | 20th Century Fox International |
| 19 | New in Town | $392,361 | 168 | $234,401 | 59.7% | 168 | Apr 9 | - | Showbox Entertainment |
| 20 | Vicky Cristina Barcelona | $357,372 | 163 | $145,885 | 40.8% | 163 | Apr 16 | - | Prime Entertainment |
| 21 | Duplicity | $235,848 | 156 | $127,805 | 54.2% | 156 | Apr 16 | - | United International Pictures |
| 22 | The Uninvited | $235,646 | 116 | $153,054 | 65% | 116 | Apr 9 | - | CJ Entertainment |
| 23 | Admiral | $234,039 | 94 | $114,197 | 48.8% | 94 | Apr 23 | - | - |
| 24 | Underworld: Rise of the Lycans | $218,346 | 63 | - | - | - | Apr 30 | - | Sony Pictures Releasing |
| 25 | Forever Enthralled | $211,555 | 215 | - | - | - | Apr 9 | - | SK Telecom |
| 26 | Thomas & Friends: The Great Discovery - The Movie | $188,317 | 84 | $79,107 | 42% | 84 | Apr 9 | - | - |
| 27 | Sisters on the Road | $116,200 | 20 | $23,394 | 20.1% | 10 | Apr 23 | - | Walt Disney Pictures |
| 28 | Son of Rambow | $61,782 | 85 | - | - | - | Apr 16 | - | - |
| 29 | Black Ice 2008 Re-release | $19,539 | 3 | $6,667 | 34.1% | 3 | Apr 23 | - | - |
| 30 | Master of the Epic: David Lean Retrospective | $8,115 | 1 | $936 | 11.5% | 1 | Apr 28 | - | - |
| 31 | I Want to Live as a Fisherman | $2,783 | 6 | $681 | 24.5% | 6 | Apr 16 | - | - |
| 32 | The Fast and the Furious 2009 Re-release | $938 | 1 | $864 | 92.1% | 1 | Apr 16 | - | - |
| 33 | Land of Scarecrows | $880 | 4 | $211 | 24% | 4 | Apr 30 | - | - |
This chart only reflects 98 percent of total screens in South Korea.
