Japanese Box Office For May 2005
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Negotiator: Mashita Masayoshi | $36,733,286 | 286 | $5,275,685 | 14.4% | 280 | May 7 | - | Toho |
| 2 | Kingdom of Heaven | $11,685,285 | 492 | $2,430,482 | 20.8% | 492 | May 14 | - | 20th Century Fox International |
| 3 | Million Dollar Baby | $11,254,733 | 266 | $1,673,463 | 14.9% | 264 | May 28 | - | Shochiku |
| 4 | A Series of Unfortunate Events | $8,237,653 | 320 | $1,049,035 | 12.7% | 319 | May 3 | - | Asmik Ace Entertainment |
| 5 | Mobile Suit Z Gundam: A New Translation - Heirs to the Stars | $7,313,197 | 83 | - | - | - | May 28 | - | Shochiku |
| 6 | Ladder 49 | $3,950,752 | 256 | $1,027,215 | 26% | 255 | May 21 | - | Toho-Towa |
| 7 | The Interpreter | $3,695,728 | 198 | $846,139 | 22.9% | 198 | May 21 | - | United International Pictures |
| 8 | Closer | $3,583,065 | 221 | $726,870 | 20.3% | 219 | May 21 | - | Sony Pictures Releasing |
| 9 | Blade: Trinity | $3,057,322 | 133 | $892,429 | 29.2% | 133 | May 7 | - | Herald Film Company |
| 10 | Miss Congeniality 2: Armed & Fabulous | $1,645,199 | 200 | $400,021 | 24.3% | 200 | May 21 | - | Warner Bros. |
| 11 | The Butterfly Effect | $375,119 | - | - | - | - | May 14 | - | - |
| 12 | Friday Night Lights | $90,044 | - | - | - | - | May 14 | - | - |
