British Box Office For May 2013
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Iron Man 3 | $34,264,772 | 558 | $57,074,453 | Apr 25 | Walt Disney Pictures |
| 2 | Star Trek Into Darkness | $33,098,815 | 555 | $39,356,029 | May 9 | - |
| 3 | Fast & Furious 6 | $29,485,841 | 489 | $38,277,406 | May 17 | Universal Pictures International (UPI) |
| 4 | The Great Gatsby | $16,301,572 | 545 | $23,925,733 | May 16 | Warner Bros. |
| 5 | The Hangover Part III | $16,090,430 | 498 | $29,519,798 | May 23 | Warner Bros. |
| 6 | Epic | $12,349,329 | 532 | $20,981,796 | May 22 | 20th Century Fox International |
| 7 | 21 & Over | $3,697,658 | 384 | $3,699,398 | May 3 | - |
| 8 | Olympus Has Fallen | $3,380,823 | 461 | $9,537,868 | Apr 17 | - |
| 9 | All Stars | $3,174,420 | 413 | $3,494,791 | May 3 | - |
| 10 | The Croods | $3,112,337 | 553 | $43,146,580 | Mar 22 | 20th Century Fox International |
| 11 | Oblivion | $1,757,682 | 528 | $16,281,137 | Apr 10 | Universal Pictures International (UPI) |
| 12 | Les Misérables | $1,554,436 | 599 | $64,489,646 | Jan 11 | Universal Pictures International (UPI) |
| 13 | The Place Beyond the Pines | $1,530,352 | 217 | $5,266,240 | Apr 12 | - |
| 14 | Evil Dead | $1,322,198 | 394 | $5,252,030 | Apr 18 | - |
| 15 | I'm So Excited! | $1,224,214 | 87 | $1,286,199 | May 3 | 20th Century Fox International |
| 16 | Wreck-It Ralph | $1,132,336 | 543 | $36,182,022 | Feb 8 | Walt Disney Pictures |
| 17 | Mud | $1,093,546 | 89 | $1,307,110 | May 10 | - |
| 18 | Dead Man Down | $1,015,991 | 310 | $1,023,651 | May 3 | - |
| 19 | Oz the Great and Powerful | $870,279 | 539 | $23,391,077 | Mar 8 | Walt Disney Pictures |
| 20 | Love Is All You Need | $523,497 | 131 | $1,329,936 | Apr 19 | - |
| 21 | The Look of Love | $378,627 | 209 | $710,619 | Apr 26 | - |
| 22 | Jack the Giant Slayer | $289,623 | 487 | $11,611,710 | Mar 22 | Warner Bros. |
| 23 | G.I. Joe: Retaliation | $283,177 | 438 | $11,544,884 | Mar 27 | - |
| 24 | Shootout at Wadala | $250,591 | 15 | $250,591 | May 3 | - |
| 25 | Scary Movie V | $232,929 | 413 | $3,824,691 | Apr 12 | - |
| 26 | Side Effects | $219,592 | 371 | $7,595,556 | Mar 8 | - |
| 27 | Trance | $219,502 | 421 | $18,674 | Mar 27 | 20th Century Fox International |
| 28 | Finding Nemo 2012 3D Release | $217,175 | 346 | $1,873,148 | Mar 29 | Walt Disney Pictures |
| 29 | Chimpanzee | $197,793 | 195 | $197,793 | May 3 | Walt Disney Pictures |
| 30 | Identity Thief | $197,235 | 441 | $7,462,409 | Mar 22 | Universal Pictures International (UPI) |
| 31 | A Hijacking | $165,136 | 22 | $224,073 | May 10 | - |
| 32 | The Moth Diaries | $156,153 | 73 | $156,153 | May 24 | - |
| 33 | The Reluctant Fundamentalist | $150,248 | 29 | $160,634 | May 10 | - |
| 34 | Dragon 2012 Re-release | $130,892 | 9 | $130,892 | May 3 | - |
| 35 | The Host | $124,335 | 441 | $5,372,492 | Mar 29 | - |
| 36 | Go Goa Gone | $120,994 | 29 | $120,994 | May 10 | - |
| 37 | The Odd Life of Timothy Green | $101,461 | 280 | $1,644,431 | Apr 5 | Walt Disney Pictures |
| 38 | Deadfall | $95,401 | 104 | $95,401 | May 10 | Warner Bros. |
| 39 | In the House | $93,978 | 80 | $1,268,772 | Mar 29 | - |
| 40 | Bernie | $91,517 | 28 | $146,730 | Apr 26 | - |
| 41 | A Late Quartet | $91,439 | 49 | $758,076 | Apr 5 | - |
| 42 | Aurangzeb | $71,045 | 37 | $71,045 | May 17 | - |
| 43 | Beware of Mr. Baker | $66,309 | 16 | $93,647 | May 17 | - |
| 44 | Something in the Air | $65,264 | 20 | $110,870 | May 24 | - |
| 45 | Lucky DI Unlucky Story | $55,982 | 8 | $132,618 | Apr 26 | - |
| 46 | The Eye of the Storm | $48,900 | 17 | $74,758 | May 3 | - |
| 47 | Food Beware: The French Organic Revolution 2013 Re-release | $48,480 | 9 | $53,190 | May 10 | - |
| 48 | The Gatekeepers | $47,745 | 14 | $157,889 | Apr 12 | - |
| 49 | Promised Land | $38,647 | 135 | $195,716 | Apr 19 | Universal Pictures International (UPI) |
| 50 | Jatts in Golmaal | $37,656 | 5 | $54,072 | May 24 | - |
| 51 | Rangeelay | $32,369 | 10 | $32,369 | May 17 | - |
| 52 | Pilgrim Hill | $31,334 | 16 | $103,519 | Apr 12 | - |
| 53 | Spring Breakers | $30,111 | 181 | $1,336,958 | Apr 5 | - |
| 54 | Good Vibrations | $26,504 | 52 | $453,974 | Mar 29 | - |
| 55 | Ishkq in Paris | $16,726 | 12 | $16,726 | May 24 | - |
| 56 | Dark Skies | $14,781 | 385 | $3,262,258 | Apr 3 | - |
| 57 | Sadda Haq | $13,823 | 10 | $397,535 | Apr 5 | - |
| 58 | Village at the End of the World | $13,471 | 4 | $13,471 | May 10 | - |
| 59 | Gimme the Loot | $12,341 | 13 | $12,341 | May 3 | - |
| 60 | In the Fog | $10,671 | 6 | $16,404 | Apr 26 | - |
| 61 | White Elephant | $5,705 | 8 | $25,920 | Apr 26 | - |
| 62 | Benjamin Britten: Peace and Conflict | $5,134 | 5 | $7,371 | May 24 | - |
| 63 | Selam | $3,862 | 3 | $3,862 | May 3 | - |
| 64 | The Spirit of '45 | $2,395 | 2 | $349,132 | Mar 15 | - |
| 65 | Cody the Robosapien | $2,347 | 14 | $2,347 | May 3 | Momentum Pictures |
| 66 | Vehicle 19 | $367 | 1 | $367 | May 10 | - |
