South Korean Box Office For May 2010
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Iron Man 2 | $25,274,931 | 936 | $27,095,727 | Apr 29 | Paramount Pictures International |
| 2 | The Housemaid | $12,014,259 | 677 | $14,075,390 | May 13 | Sidus |
| 3 | How to Train Your Dragon | $11,320,617 | 574 | $25,108,317 | May 20 | CJ Entertainment |
| 4 | Robin Hood | $8,484,404 | 643 | $9,306,757 | May 13 | 20th Century Fox International |
| 5 | Blades of Blood 2010 Re-release | $7,592,636 | 603 | $8,217,720 | Apr 29 | SK Telecom |
| 6 | The Blind Side | $6,845,996 | 157 | $2,165,985 | Apr 15 | Warner Bros. |
| 7 | Prince of Persia: The Sands of Time | $3,937,046 | 616 | $12,098,141 | May 27 | Walt Disney Pictures |
| 8 | My Gangster Girlfriend | $2,985,137 | 319 | $4,214,668 | May 20 | Lotte Entertainment |
| 9 | Bestseller | $2,181,350 | 364 | $6,637,018 | Apr 15 | Synergy |
| 10 | Korea 1% | $1,690,511 | 341 | $1,863,930 | Apr 29 | Lotte Entertainment |
| 11 | A Long Visit | $1,383,897 | 334 | $2,659,429 | Apr 22 | Sidus |
| 12 | Poetry | $875,766 | 192 | $1,301,057 | May 13 | Next Entertainment World (NEW) |
| 13 | Sgt. Frog the Super Movie 5: Creation! Ultimate Keroro, Wonder Space-Time Island | $644,506 | 100 | $654,804 | Apr 29 | - |
| 14 | A Nightmare on Elm Street | $489,978 | 125 | $564,542 | May 20 | Warner Bros. |
| 15 | Dreams Come True | $336,826 | 255 | $597,660 | May 27 | CJ Entertainment |
| 16 | Brothers | $280,366 | 163 | $437,464 | May 5 | Sungwon I Com |
| 17 | Hahaha | $216,908 | 26 | $358,735 | May 7 | - |
| 18 | The Hurt Locker | $214,083 | 207 | $1,142,409 | Apr 22 | Next Entertainment World (NEW) |
| 19 | G-Force | $127,502 | 85 | $349,237 | Apr 22 | Walt Disney Pictures |
| 20 | Seotaiji Band Live Tour | $110,269 | 1 | $233,223 | May 21 | - |
| 21 | Kick-Ass | $99,868 | 251 | $1,001,536 | Apr 22 | Lotte Entertainment |
| 22 | The Godfather 2009 Re-release | $39,893 | 17 | $121,323 | May 27 | - |
| 23 | Happy Killers | $37,125 | 296 | $3,774,925 | Apr 8 | Lotte Entertainment |
| 24 | Followed by My Men | $36,672 | 120 | $57,839 | May 27 | - |
| 25 | Sunrise/Sunset | $28,012 | 16 | $39,884 | May 13 | - |
| 26 | Desert Flower 2009 Re-release | $27,454 | 15 | $57,668 | Apr 22 | - |
| 27 | Facing the Giants 2010 Re-release | $27,272 | 8 | $64,828 | Apr 15 | - |
| 28 | A Single Man | $27,074 | 27 | $5,373 | May 27 | - |
| 29 | Tokyo Taxi | $25,466 | 13 | $29,776 | May 21 | - |
| 30 | Toy Story 2009 Re-release | $22,909 | 13 | $54,436 | May 5 | Walt Disney Pictures |
| 31 | Dear Doctor | $17,054 | 3 | $18,550 | Apr 29 | - |
| 32 | The Song of Sparrows | $14,242 | 12 | $21,822 | May 5 | - |
| 33 | Iron Man | $10,963 | 679 | $25,169,783 | Apr 30 | CJ Entertainment |
| 34 | The Metropolitan Opera HD Live: Verdi: Simon Boccanegra | $10,690 | 1 | $13,311 | May 6 | - |
| 35 | Half-Way | $9,104 | 11 | $9,773 | Apr 29 | - |
| 36 | Mamas & Papas | $6,866 | 1 | $8,820 | May 21 | - |
| 37 | When Did You Last See Your Father? | $6,073 | 11 | $19,477 | May 27 | - |
| 38 | Carmen | $5,793 | 1 | $56,139 | Apr 4 | - |
| 39 | Turn It Up to 11 | $5,452 | 6 | $10,187 | Apr 22 | - |
| 40 | Shine a Light | $4,166 | 13 | $82,312 | Apr 15 | - |
| 41 | The Calling | $3,919 | 68 | $156,794 | Apr 1 | - |
| 42 | Harmony | $3,031 | 473 | $17,979,586 | Jan 28 | CJ Entertainment |
| 43 | 2010 Moscow Film Retrospective | $2,885 | 1 | $3,440 | Apr 29 | - |
| 44 | Air Doll | $2,609 | 16 | $77,554 | Apr 8 | CJ Entertainment |
| 45 | Sister Smile | $2,003 | 2 | $3,433 | Apr 29 | - |
| 46 | The Class | $1,953 | 7 | $44,489 | Apr 1 | - |
| 47 | Yakuza: Like a Dragon 2009 Re-release | $1,877 | 195 | $1,120,857 | Apr 30 | - |
| 48 | A Serious Man | $1,695 | 11 | $53,793 | Mar 25 | - |
| 49 | Lego: The Adventures of Clutch Powers | $1,511 | 63 | $69,229 | Jun 10 | - |
| 50 | Up in the Air | $1,365 | 62 | $362,183 | Mar 11 | CJ Entertainment |
| 51 | A Barefoot Dream | $1,263 | 387 | $2,000,972 | Jun 24 | Showbox Entertainment |
| 52 | Yancho Mikeulrosyu Exhibition | $1,239 | 1 | $2,074 | May 13 | - |
| 53 | Happily N'ever After 2: Snow White: Another Bite at the Apple | $993 | 95 | $378,434 | Feb 25 | - |
| 54 | 2010 Indiporeom Undated South Korea Release | $976 | 1 | $1,089 | - | - |
| 55 | Invictus | $945 | 136 | $696,868 | Mar 4 | Warner Bros. |
| 56 | Children of the Dark | $828 | 5 | $32,848 | Mar 25 | - |
This chart only reflects 98 percent of total screens in South Korea.