International Box Office For May 2003
Key:Estimated
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | The Matrix Reloaded | $194,700,000 | 63 | $457,835,574 | May 15 | - |
| 2 | X2: X-Men United | $150,000,000 | 94 | $192,761,855 | Apr 30 | - |
| 3 | How to Lose a Guy in 10 Days | $53,258,068 | 11 | $71,558,068 | Apr 17 | - |
| 4 | Johnny English | $22,331,810 | 38 | $132,383,634 | Apr 9 | - |
| 5 | I Capture the Castle | $5,407,306 | - | $5,407,306 | May 9 | - |
| 6 | Anger Management | $2,850,000 | 35 | $60,100,000 | Apr 17 | - |
| 7 | Biker Boyz | $1,433,829 | - | $1,433,829 | May 16 | - |
| 8 | Basic | $0 | - | $0 | May 8 | - |
| 9 | Nicholas Nickleby | $0 | - | $0 | May 29 | - |
| 10 | The Lizzie McGuire Movie | $0 | - | $0 | May 29 | - |
Figures are accurate only to the stated territory count unless otherwise noted.
