British Box Office For May 2004
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Van Helsing | $24,967,881 | 458 | $27,604,630 | May 7 | United International Pictures |
| 2 | Troy | $19,895,617 | 504 | $32,693,292 | May 14 | Warner Bros. |
| 3 | Kill Bill: Vol. 2 | $9,106,412 | 411 | $16,871,657 | Apr 23 | Buena Vista International |
| 4 | Eternal Sunshine of the Spotless Mind | $7,898,993 | 350 | $9,051,339 | Apr 30 | - |
| 5 | Scooby-Doo 2: Monsters Unleashed | $4,450,260 | 492 | $30,200,200 | Apr 2 | Warner Bros. |
| 6 | Secret Window | $4,206,266 | 349 | $4,206,266 | Apr 30 | - |
| 7 | 50 First Dates | $3,829,411 | 399 | $14,191,335 | Apr 9 | - |
| 8 | Laws of Attraction | $2,277,196 | 306 | $2,277,196 | May 7 | - |
| 9 | The Passion of the Christ | $2,183,357 | 366 | $20,441,388 | Mar 12 | - |
| 10 | Shaun of the Dead | $2,133,083 | 369 | $8,199,596 | - | United International Pictures |
| 11 | The Cat in the Hat | $1,711,588 | 445 | $13,828,494 | Apr 2 | United International Pictures |
| 12 | Main Hoon Na | $1,649,139 | 46 | $1,712,520 | Apr 30 | Eros Worldwide |
| 13 | Monster | $1,343,680 | 81 | $4,554,719 | Apr 2 | Metrodome Distribution |
| 14 | The Day After Tomorrow | $1,343,189 | 468 | $46,319,266 | May 28 | 20th Century Fox International |
| 15 | The Football Factory | $1,143,372 | 162 | $1,200,345 | May 14 | Vertigo Films |
| 16 | The Butterfly Effect | $974,368 | 277 | $3,868,369 | Apr 16 | - |
| 17 | Taking Lives | $746,740 | 258 | $1,669,779 | Apr 23 | - |
| 18 | Confessions of a Teenage Drama Queen | $730,569 | 227 | $792,333 | May 7 | Buena Vista International |
| 19 | Gothika | $565,378 | 308 | $9,623,405 | Apr 2 | - |
| 20 | The Girl Next Door | $497,729 | 325 | $3,076,553 | Apr 16 | - |
| 21 | Win a Date with Tad Hamilton! | $426,272 | 244 | $952,500 | Apr 23 | - |
| 22 | Wonderland | $302,963 | 72 | $302,963 | May 7 | - |
| 23 | Shattered Glass | $294,692 | 44 | $337,281 | May 14 | Icon Film Distribution Australia |
| 24 | Duplex | $258,973 | 189 | $258,973 | Apr 30 | - |
| 25 | Hum Tum | $241,727 | 28 | $1,082,061 | May 28 | Yash Raj Films |
| 26 | Yuva | $200,308 | 26 | $236,580 | May 21 | - |
| 27 | Hidalgo | $182,895 | 293 | $1,756,048 | Apr 16 | - |
| 28 | Wondrous Oblivion | $164,487 | 54 | $319,738 | Apr 23 | - |
| 29 | Asa Nu Maan Watna Da: In Search of Our Roots | $140,470 | 11 | $252,818 | May 14 | - |
| 30 | Bon Voyage 2004 Re-release | $134,851 | 20 | $134,851 | May 14 | - |
| 31 | The Calcium Kid | $109,202 | 82 | $109,202 | Apr 30 | - |
| 32 | Against the Ropes | $79,781 | 74 | $79,781 | May 14 | - |
| 33 | The Company | $75,229 | 13 | $75,229 | May 7 | - |
| 34 | Starsky & Hutch | $55,709 | 453 | $22,714,898 | Mar 12 | - |
| 35 | Distant | $36,154 | 7 | $130,826 | May 28 | Artificial Eye |
| 36 | Lakeer | $31,304 | 9 | $31,304 | May 14 | - |
| 37 | Run | $25,702 | 14 | $25,702 | May 14 | - |
| 38 | Radio | $16,442 | 56 | $16,442 | May 14 | - |
