British Box Office For August 2003
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Pirates of the Caribbean: The Curse of the Black Pearl | $29,317,887 | 457 | $47,801,332 | Aug 8 | - |
| 2 | Terminator 3: Rise of the Machines | $27,849,662 | 478 | $31,289,575 | Aug 1 | - |
| 3 | American Wedding | $19,524,103 | 432 | $27,826,516 | Aug 15 | - |
| 4 | Spy Kids 3: Game Over | $9,132,168 | 420 | $12,047,855 | Aug 1 | - |
| 5 | Legally Blonde 2: Red, White & Blonde | $8,034,904 | 359 | $8,034,904 | Aug 1 | - |
| 6 | Lara Croft: Tomb Raider - The Cradle of Life | $5,589,623 | 449 | $8,660,559 | Aug 22 | - |
| 7 | Rugrats Go Wild | $3,897,640 | 370 | $5,358,218 | Aug 8 | - |
| 8 | Freddy vs. Jason | $3,532,168 | 256 | $4,448,904 | Aug 15 | - |
| 9 | Piglet's Big Movie | $3,193,480 | 416 | $6,922,153 | Jun 27 | - |
| 10 | Veronica Guerin | $2,152,045 | 254 | $4,836,419 | - | - |
| 11 | Bruce Almighty | $1,924,018 | 446 | $37,412,900 | Jun 27 | - |
| 12 | Hulk | $1,792,233 | 500 | $13,901,681 | Jul 18 | - |
| 13 | Sinbad: Legend of the Seven Seas | $1,707,407 | 392 | $4,696,088 | Jul 25 | - |
| 14 | Whale Rider | $1,702,931 | 61 | $1,723,685 | - | - |
| 15 | Jeepers Creepers 2 | $1,685,396 | 341 | $5,749,567 | Aug 29 | - |
| 16 | Confidence | $1,307,644 | 251 | $1,844,828 | Aug 22 | - |
| 17 | Charlie's Angels: Full Throttle | $1,035,567 | 475 | $19,623,936 | Jul 4 | - |
| 18 | What a Girl Wants | $983,503 | 250 | $1,400,365 | Aug 8 | - |
| 19 | Koi... Mil Gaya | $922,848 | 36 | $922,848 | Aug 8 | - |
| 20 | The Man Who Sued God 2003 Re-release | $827,188 | 164 | $1,560,867 | Aug 22 | - |
| 21 | Good Bye Lenin! | $802,927 | 29 | $2,015,876 | Jul 25 | - |
| 22 | Daddy Day Care | $802,829 | 407 | $8,085,784 | - | - |
| 23 | The Lizzie McGuire Movie | $785,437 | 330 | $2,985,402 | Aug 22 | - |
| 24 | Hollywood Homicide | $555,489 | 291 | $1,436,217 | Aug 29 | - |
| 25 | The Matrix Reloaded | $539,951 | 481 | $53,880,216 | May 23 | - |
| 26 | Swimming Pool | $539,020 | 42 | $779,636 | Aug 22 | - |
| 27 | Buffalo Soldiers | $473,318 | 47 | $1,313,514 | Jul 18 | - |
| 28 | Agent Cody Banks | $435,523 | 363 | $2,136,652 | Jul 25 | - |
| 29 | Respiro | $260,409 | 50 | $260,409 | Aug 8 | - |
| 30 | Intermission | $230,457 | 101 | $3,640,164 | Aug 29 | - |
| 31 | Chori Chori | $78,765 | 16 | $78,765 | Aug 1 | - |
| 32 | Roger Dodger | $73,945 | 15 | $73,945 | Aug 15 | - |
| 33 | In Your Name | $67,993 | 21 | $67,993 | Aug 15 | - |
| 34 | Brown Sugar | $33,601 | 84 | $453,314 | Jul 18 | - |
| 35 | 2 Fast 2 Furious | $31,539 | 424 | $12,527,013 | Jun 20 | - |
| 36 | To Be and to Have | $31,457 | 14 | $707,541 | Jun 20 | - |
| 37 | All the Real Girls | $30,320 | 9 | $30,320 | Aug 1 | - |
