Czech Box Office For May 2003
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | The Matrix Reloaded | $844,661 | 31 | $1,670,276 | May 21 | - |
| 2 | Pupendo | $593,589 | 31 | $3,043,257 | Mar 27 | - |
| 3 | Johnny English | $281,701 | 24 | $744,565 | Apr 17 | - |
| 4 | Chicago | $229,391 | 20 | $445,112 | Apr 24 | - |
| 5 | X2: X-Men United | $201,518 | 23 | $214,557 | May 1 | - |
| 6 | Boredom in Brno | $145,788 | 15 | $508,304 | Apr 24 | - |
| 7 | Frida | $104,867 | 15 | $287,617 | May 1 | - |
| 8 | Gangs of New York | $97,558 | 18 | $102,975 | May 1 | - |
| 9 | The Lord of the Rings: The Two Towers | $94,839 | 34 | $3,217,259 | Jan 16 | Warner Bros. |
| 10 | How to Lose a Guy in 10 Days | $91,490 | 18 | $105,775 | May 8 | - |
| 11 | Kamenák | $68,811 | 21 | $1,051,138 | Jan 23 | - |
| 12 | The Devil Knows Why | $61,634 | 27 | $624,257 | Feb 27 | - |
| 13 | The Pianist | $58,000 | 8 | $172,378 | Feb 6 | - |
| 14 | The Ring | $54,804 | 16 | $402,783 | Feb 27 | - |
| 15 | Tears of the Sun | $53,179 | 19 | $89,538 | Apr 24 | - |
| 16 | Confessions of a Dangerous Mind | $43,528 | 15 | $49,132 | May 15 | - |
| 17 | 8 Mile | $43,173 | 20 | $299,848 | Mar 20 | - |
| 18 | Taxi 3 | $36,799 | 19 | $166,201 | Apr 10 | - |
| 19 | Open Hearts | $28,995 | 17 | $259,607 | Mar 13 | - |
| 20 | The Jungle Book 2 2003 Re-release | $19,813 | 22 | $213,996 | Feb 20 | - |
| 21 | Frailty | $17,632 | 12 | $17,632 | May 15 | - |
| 22 | 28 Days Later | $15,823 | 14 | $48,960 | May 29 | - |
| 23 | Ghost Ship | $13,066 | 16 | $129,544 | Apr 3 | - |
| 24 | Faithless Games | $11,923 | 10 | $14,026 | May 15 | - |
| 25 | 25th Hour | $8,227 | 14 | $35,397 | Apr 17 | - |
| 26 | Harry Potter and the Chamber of Secrets | $7,022 | 32 | $2,051,038 | Dec 12 | - |
| 27 | Pinocchio Italian Version | $6,690 | 20 | $23,963 | May 29 | - |
| 28 | Bringing Down the House | $6,342 | 19 | $6,342 | May 8 | - |
| 29 | The Lion King 2002 IMAX Release | $3,567 | 1 | $26,320 | May 29 | - |
| 30 | The Matrix | $2,658 | 7 | $590,966 | Aug 5 | - |
| 31 | Shanghai Knights | $2,028 | 20 | $45,379 | Apr 10 | - |
| 32 | Ice Age | $1,898 | 24 | $1,189,412 | Oct 17 | - |
