Mexican 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 | $9,541,696 | 547 | $10,985,286 | Aug 1 | - |
| 2 | Bruce Almighty | $4,509,487 | 460 | $13,614,792 | Jul 18 | - |
| 3 | Terminator 3: Rise of the Machines | $4,112,278 | 529 | $8,975,367 | Jul 25 | - |
| 4 | Finding Nemo | $2,348,575 | 597 | $19,105,130 | Jul 4 | - |
| 5 | Lara Croft: Tomb Raider - The Cradle of Life | $2,234,655 | 302 | $2,289,979 | Aug 8 | - |
| 6 | 28 Days Later | $1,321,169 | 167 | $2,778,383 | Aug 15 | - |
| 7 | Hollywood Homicide | $1,214,179 | 250 | $1,780,624 | Aug 15 | - |
| 8 | The Italian Job | $1,193,050 | 265 | $3,900,687 | Aug 22 | - |
| 9 | Sinbad: Legend of the Seven Seas | $1,068,971 | 277 | $3,454,370 | Jul 18 | - |
| 10 | The Magdalene Sisters Canadian Release | $1,007,903 | 98 | $3,151,062 | Jul 11 | - |
| 11 | What a Girl Wants | $951,325 | 250 | $1,554,008 | Aug 15 | - |
| 12 | Corazón de melón | $768,927 | 150 | $4,127,570 | Aug 7 | - |
| 13 | Legally Blonde 2: Red, White & Blonde | $526,045 | 200 | $1,165,263 | Jul 25 | - |
| 14 | A Man Apart | $507,135 | 200 | $832,697 | Aug 15 | - |
| 15 | Holes | $344,238 | 200 | $344,238 | Aug 8 | - |
| 16 | Charlie's Angels: Full Throttle | $282,639 | 413 | $5,249,726 | Jul 11 | - |
| 17 | Amen. | $231,377 | 13 | $381,825 | Aug 8 | - |
| 18 | Bowling for Columbine | $179,713 | 13 | $337,842 | Jul 18 | - |
| 19 | Confessions of a Dangerous Mind | $150,277 | 23 | $279,161 | Aug 8 | - |
| 20 | Boat Trip | $147,478 | 125 | $1,158,507 | Jul 4 | - |
| 21 | Bulletproof Monk | $127,710 | 102 | $486,441 | Aug 22 | - |
| 22 | Phone Booth | $94,091 | 200 | $3,399,923 | Jun 20 | - |
| 23 | Overwhelming Women | $65,526 | 40 | $65,526 | Aug 1 | - |
| 24 | Hulk | $59,239 | 612 | $11,686,550 | Jun 27 | - |
| 25 | The Rules of Attraction | $51,925 | 24 | $51,925 | Aug 22 | - |
| 26 | The Emperor's Club | $43,279 | 49 | $553,958 | Jun 6 | - |
| 27 | Deathwatch | $37,946 | 35 | $218,380 | Jun 26 | - |
| 28 | Nobody's Life | $35,104 | 15 | $35,104 | Aug 1 | - |
| 29 | Dark Blue World | $20,932 | 11 | $20,932 | Aug 1 | - |
| 30 | Stones 2003 Re-release | $20,695 | 5 | $20,695 | Aug 15 | - |
| 31 | Agent Cody Banks | $18,976 | 200 | $707,365 | Jul 11 | - |
| 32 | Rabbit-Proof Fence | $15,893 | 10 | $67,861 | Jul 18 | - |
| 33 | Extreme Ops | $14,266 | 51 | $342,396 | Jun 6 | - |
| 34 | Dame tu cuerpo | $14,227 | 200 | $2,209,980 | Jun 20 | - |
