South Korean Box Office For May 2011
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Sunny | $22,796,131 | 648 | $50,764,703 | May 4 | CJ Entertainment |
| 2 | Pirates of the Caribbean: On Stranger Tides | $18,108,328 | 1,021 | $25,635,913 | May 19 | Walt Disney Pictures |
| 3 | Kung Fu Panda 2 | $12,802,267 | 1,043 | $41,146,233 | May 26 | CJ Entertainment |
| 4 | Thor | $8,824,225 | 555 | $14,791,773 | Apr 28 | CJ Entertainment |
| 5 | Source Code | $7,196,675 | 492 | $8,966,835 | May 4 | Synergy |
| 6 | The Apprehenders | $5,472,472 | 491 | $5,963,910 | May 4 | Lotte Entertainment |
| 7 | Fast Five | $4,348,999 | 554 | $11,367,543 | Apr 20 | United International Pictures |
| 8 | Kureyon Shinchan: Arashi o yobu ougon no supai daisakusen | $2,082,349 | 339 | $2,183,236 | May 4 | CJ Entertainment |
| 9 | Clash of the Families | $1,125,038 | 596 | $17,748,829 | Mar 31 | Lotte Entertainment |
| 10 | 3-D Sex and Zen: Extreme Ecstasy | $736,375 | 307 | $872,763 | May 12 | Hwa&Dam Entertainment |
| 11 | The Lost Bladesman | $722,696 | 248 | $847,462 | May 19 | Next Entertainment World (NEW) |
| 12 | The Suicide Forecast | $571,556 | 467 | $7,295,261 | Apr 14 | CJ Entertainment |
| 13 | Jeokkwayi Dongcham | $487,913 | 512 | $1,603,979 | Apr 28 | Showbox Entertainment |
| 14 | A Chinese Ghost Story 2011 Re-release | $388,062 | 279 | $448,378 | May 12 | - |
| 15 | The Last Blossom | $376,027 | 451 | $2,120,983 | Apr 20 | Next Entertainment World (NEW) |
| 16 | Gnomeo & Juliet | $337,083 | 326 | $1,798,804 | Apr 14 | Showbox Entertainment |
| 17 | The Cane | $301,157 | 171 | $442,362 | May 19 | Lotte Entertainment |
| 18 | Water for Elephants | $245,287 | 213 | $372,153 | May 4 | 20th Century Fox International |
| 19 | Head | $244,746 | 230 | $418,337 | May 26 | - |
| 20 | Inazuma Eleven GO the Movie: The Ultimate Bonds Gryphon | $191,930 | 180 | $546,191 | May 4 | - |
| 21 | Jane Eyre | $117,997 | 247 | $910,338 | Apr 20 | Synergy |
| 22 | Certified Copy | $89,391 | 19 | $123,055 | May 4 | - |
| 23 | Hubble | $72,980 | 9 | $112,319 | May 5 | - |
| 24 | Mao's Last Dancer | $67,862 | 203 | $259,456 | Apr 28 | - |
| 25 | Thomas & Friends: Misty Island Rescue | $40,992 | 129 | $120,053 | May 5 | - |
| 26 | Mama | $39,097 | 339 | $1,489,634 | Jun 1 | - |
| 27 | Imseonggu | $39,046 | 20 | $55,272 | May 12 | - |
| 28 | My One and Only | $37,925 | 23 | $42,532 | May 19 | - |
| 29 | The Journals of Musan | $30,029 | 22 | $73,523 | Apr 14 | - |
| 30 | Calling 3 | $28,908 | 44 | $199,719 | Apr 7 | - |
| 31 | Inside Job | $22,339 | 5 | $40,096 | May 19 | - |
| 32 | L'amour fou | $20,726 | 4 | $38,121 | Apr 21 | - |
| 33 | Norwegian Wood | $20,443 | 56 | $132,453 | Sep 30 | - |
| 34 | Listen to Your Heart | $18,832 | 16 | $23,148 | May 4 | - |
| 35 | Sorry, Thanks | $18,174 | 21 | $68,173 | May 26 | - |
| 36 | Dummy | $18,146 | 81 | $76,467 | Apr 21 | - |
| 37 | The Collector | $17,756 | 31 | $22,778 | May 26 | - |
| 38 | Redline | $17,248 | 35 | $20,500 | May 12 | - |
| 39 | Another Year | $16,444 | 11 | $121,401 | Mar 24 | - |
| 40 | Mother and Child | $16,136 | 15 | $49,879 | Apr 28 | - |
| 41 | Copacabana Palace 2010 Re-release | $13,946 | 8 | $92,011 | May 26 | - |
| 42 | X-Men: First Class | $10,734 | 687 | $18,028,314 | Jun 2 | 20th Century Fox International |
| 43 | Swimming Pool | $8,193 | 4 | $45,287 | Mar 31 | - |
| 44 | Bleak Night | $7,213 | 22 | $143,437 | Mar 3 | - |
| 45 | Flowers | $6,030 | 8 | $7,230 | May 19 | - |
| 46 | With Love... from the Age of Reason | $4,676 | 29 | $26,091 | Apr 27 | - |
| 47 | Alamar | $4,127 | 4 | $4,392 | May 19 | - |
| 48 | If You Were Me 5 | $2,426 | 8 | $8,158 | Apr 28 | - |
| 49 | Don't Cry for Me, Sudan | $2,332 | 96 | $2,248,561 | Sep 9 | - |
| 50 | Long Moonlight | $2,136 | 151 | $329,488 | Mar 17 | - |
| 51 | Miracle on Jongno Street | $1,525 | 19 | $34,829 | Jun 2 | - |
This chart only reflects 98 percent of total screens in South Korea.
