British Box Office For May 2015
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Avengers: Age of Ultron | $36,351,623 | 589 | $62,974,363 | Apr 24 | Walt Disney Pictures |
| 2 | Pitch Perfect 2 | $22,267,009 | 541 | $27,259,230 | May 15 | - |
| 3 | Mad Max: Fury Road | $21,034,873 | 563 | $27,107,031 | May 15 | - |
| 4 | Far from the Madding Crowd | $8,767,667 | 542 | $8,767,667 | May 1 | 20th Century Fox International |
| 5 | San Andreas | $7,094,520 | 527 | $17,630,829 | May 29 | - |
| 6 | Tomorrowland | $6,289,801 | 544 | $7,740,556 | May 22 | - |
| 7 | Furious 7 | $6,245,980 | 540 | $59,927,904 | Apr 3 | Universal Pictures International (UPI) |
| 8 | Poltergeist | $5,152,955 | 439 | $5,943,288 | May 22 | - |
| 9 | Unfriended | $5,146,449 | 436 | $5,146,449 | May 1 | Universal Pictures International (UPI) |
| 10 | Home | $4,933,977 | 557 | $38,895,218 | Mar 20 | 20th Century Fox International |
| 11 | MI-5 | $4,700,720 | 421 | $4,700,720 | May 8 | 20th Century Fox International |
| 12 | Cinderella | $3,636,309 | 583 | $32,842,481 | Mar 27 | Walt Disney Pictures |
| 13 | All Creatures Big And Small | $3,160,959 | 453 | $3,809,182 | May 1 | Entertainment One |
| 14 | The Age of Adaline | $1,689,799 | 368 | $1,689,799 | May 8 | - |
| 15 | Big Game | $1,376,191 | 352 | $1,376,191 | May 8 | - |
| 16 | A Royal Night Out | $1,090,487 | 333 | $1,590,567 | May 15 | - |
| 17 | Man Up | $810,478 | 357 | $1,562,608 | May 29 | StudioCanal UK |
| 18 | Tanu Weds Manu Returns | $638,315 | 59 | $638,315 | May 22 | - |
| 19 | Woman in Gold | $611,340 | 255 | $3,878,626 | Apr 10 | Entertainment Film Distributors |
| 20 | The SpongeBob Movie: Sponge Out of Water | $446,026 | 520 | $11,898,007 | Mar 27 | Paramount Pictures International |
| 21 | Piku | $369,261 | 29 | $369,261 | May 8 | Yash Raj Films |
| 22 | Danny Collins | $345,358 | 353 | $720,695 | May 29 | - |
| 23 | Child 44 | $318,482 | 443 | $2,078,131 | Apr 17 | Entertainment One |
| 24 | Gabbar Is Back | $307,651 | 42 | $307,651 | May 1 | Eros Worldwide |
| 25 | Paul Blart: Mall Cop 2 | $234,733 | 398 | $2,195,452 | Apr 10 | Sony Pictures Releasing |
| 26 | The DUFF | $220,219 | 392 | $3,053,129 | Apr 10 | Entertainment One |
| 27 | The Falling | $203,752 | 57 | $554,876 | Apr 24 | - |
| 28 | A Little Chaos | $158,477 | 426 | $1,545,193 | Apr 17 | Lionsgate |
| 29 | Get Hard | $156,450 | 403 | $7,930,891 | Mar 27 | Warner Bros. |
| 30 | The New Girlfriend | $147,363 | 44 | $147,363 | May 22 | - |
| 31 | Bombay Velvet | $145,195 | 73 | $145,195 | May 15 | - |
| 32 | Moomins on the Riviera | $132,072 | 377 | $132,072 | May 22 | - |
| 33 | Masss 2015 Re-release | $131,748 | 29 | $131,748 | May 29 | - |
| 34 | Big Hero 6 | $120,232 | 575 | $31,565,340 | Jan 30 | Walt Disney Pictures |
| 35 | Girlhood | $101,492 | 28 | $101,492 | May 8 | - |
| 36 | Top Five | $98,501 | 126 | $98,501 | May 8 | - |
| 37 | Phoenix | $58,634 | 32 | $58,634 | May 8 | - |
| 38 | Monsters: Dark Continent | $52,750 | 101 | $52,750 | May 1 | Vertigo Films |
| 39 | Penguins of Madagascar | $41,508 | 506 | $13,527,386 | Dec 4 | 20th Century Fox International |
| 40 | Force Majeure | $38,449 | 42 | $761,992 | Apr 10 | - |
| 41 | Shaun the Sheep Movie | $35,917 | 561 | $21,952,598 | Feb 6 | StudioCanal |
| 42 | John Wick | $22,372 | 390 | $2,427,834 | Apr 10 | Warner Bros. |
| 43 | Rosewater | $18,047 | 12 | $18,047 | May 8 | - |
| 44 | While We're Young | $15,965 | 250 | $1,816,785 | Apr 3 | Icon Film Distribution Australia |
| 45 | Paddington | $14,522 | 603 | $49,674,028 | - | StudioCanal |
