Japanese Box Office For April 2003
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Detective Conan: Crossroad in the Ancient Capital | $10,738,375 | 277 | $24,342,320 | Apr 19 | - |
| 2 | The Lord of the Rings: The Two Towers | $10,326,703 | 643 | $65,150,115 | Feb 22 | - |
| 3 | Catch Me If You Can | $9,925,608 | 373 | $22,678,989 | Mar 21 | - |
| 4 | Chicago | $6,903,080 | 263 | $27,383,935 | Apr 19 | - |
| 5 | Lilo & Stitch | $6,467,318 | 483 | $22,712,669 | Mar 8 | - |
| 6 | Daredevil | $6,439,500 | 354 | $6,439,500 | Apr 5 | - |
| 7 | Doraemon: Nobita and the Wind Wizard | $6,023,528 | 301 | $19,026,642 | Mar 8 | - |
| 8 | Shin Chan: The Adult Empire Strikes Back | $5,652,100 | 260 | $9,310,002 | Apr 19 | - |
| 9 | Die Another Day | $3,206,388 | 325 | $18,441,255 | Mar 8 | - |
| 10 | One Piece: Dead End Adventure | $2,974,375 | 278 | $14,794,017 | Mar 1 | - |
| 11 | Dreamcatcher 2006 Re-release | $2,951,064 | 233 | $5,524,970 | Apr 19 | - |
| 12 | The Pianist | $2,401,155 | 228 | $24,559,779 | Feb 15 | - |
| 13 | Phone | $1,089,579 | 236 | $6,729,327 | Apr 26 | - |
| 14 | The Blue Light | $1,053,925 | 186 | $4,443,142 | Mar 15 | - |
| 15 | Night of the Shooting Stars | $1,031,800 | 114 | $1,031,800 | Apr 12 | - |
| 16 | Cradle 2 the Grave | $947,327 | 182 | $1,551,193 | Mar 29 | - |
| 17 | Samurai Resurrection | $815,983 | 230 | $4,494,239 | Apr 26 | - |
| 18 | Moon Child | $783,741 | 134 | $3,713,831 | Apr 19 | - |
| 19 | Star Trek: Nemesis | $564,650 | 169 | $564,650 | Apr 12 | - |
| 20 | I Spy | $332,376 | 113 | $332,376 | Apr 26 | - |
| 21 | Spirit: Stallion of the Cimarron | $264,633 | 352 | $264,633 | Apr 19 | - |
