| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Suspect X | $2,841,058 | -4.6% | 410 | - | $6,929 | $28,882,408 | 4 | Toho | false | false |
| 2 | 2 | Eagle Eye | $1,536,223 | -35% | 310 | +4 | $4,955 | $6,022,331 | 2 | Herald Film Company | false | false |
| 3 | - | The Homeless Student | $1,219,738 | - | 309 | - | $3,947 | $1,219,738 | 1 | Toho | true | false |
| 4 | - | Journey to the Center of the Earth | $1,160,123 | - | 104 | - | $11,155 | $1,160,123 | 1 | Gaga | true | false |
| 5 | 3 | P.S. I Love You | $1,124,100 | -19.3% | 279 | +3 | $4,029 | $4,205,836 | 2 | Toho-Towa | false | false |
| 6 | - | Ichi | $1,103,057 | - | 252 | - | $4,377 | $1,103,057 | 1 | Warner Bros. | true | false |
| 7 | - | Free and Easy 19 | $866,554 | - | 178 | - | $4,868 | $866,554 | 1 | Shochiku | true | false |
| 8 | 4 | Departures | $537,357 | -20.5% | 219 | -2 | $2,453 | $23,160,366 | 7 | Shochiku | false | false |
| 9 | 5 | Farewell Kamen Rider Den-O: Final Countdown | $533,617 | -13.7% | 155 | -1 | $3,442 | $5,470,232 | 4 | Toei Company | false | false |
| 10 | 6 | Paco and the Magical Book | $441,353 | -25.5% | 280 | -12 | $1,576 | $20,593,942 | 7 | Toho | false | false |
| 11 | - | The Other Boleyn Girl | $432,792 | - | 148 | - | $2,924 | $432,792 | 1 | - | true | false |
| 12 | 8 | Ponyo | $388,018 | -1.7% | 481 | - | $806 | $142,486,258 | 15 | Toho | false | false |
| 13 | 7 | Wanted | $287,178 | -36.1% | 333 | -16 | $862 | $22,835,896 | 6 | Toho-Towa | false | false |
| 14 | 9 | Ikigami | $241,240 | -37.7% | 252 | - | $957 | $7,015,574 | 5 | Toho | false | false |
| 15 | 10 | 20th Century Boys 1: Beginning of the End | $227,746 | -35.7% | 280 | -20 | $813 | $35,870,679 | 9 | Toho | false | false |
| 16 | 11 | Iron Man | $211,838 | -38.3% | 347 | -16 | $610 | $8,314,758 | 5 | Sony Pictures Releasing | false | false |
| 17 | 12 | Get Smart | $122,152 | -33.7% | 205 | - | $595 | $1,690,750 | 3 | Warner Bros. | false | false |
| 18 | 15 | Resident Evil: Degeneration | $85,715 | -11.8% | 3 | - | $28,571 | $300,916 | 2 | Sony Pictures Releasing | false | false |
| 19 | 13 | Superior 8 Ultra Brothers | $77,837 | -37.5% | 95 | -53 | $819 | $7,709,347 | 7 | Shochiku | false | false |
| 20 | - | Samurai Gangsters | $73,504 | - | 189 | - | $388 | $2,292,432 | 6 | Herald Film Company | false | false |
| 21 | - | The Nanny Diaries | $54,417 | - | 112 | - | $485 | $831,916 | 3 | Showgate | false | false |
| 22 | - | Goya's Ghosts | $50,308 | - | 48 | - | $1,048 | $947,510 | 4 | N/A | false | false |
| 23 | - | Sanbongi nôgyô kôkô, bajutsubu: Mokume no uma to shôjo no jitsuwa | $49,019 | - | 75 | - | $653 | $806,591 | 4 | Toei Company | false | false |
| 24 | - | Be Kind Rewind | $45,212 | - | 19 | - | $2,379 | $712,255 | 3 | - | false | false |
| 25 | - | The Fure Fure Girl | $43,895 | - | 179 | - | $245 | $648,770 | 3 | Shochiku | false | false |
| 26 | - | Into the Wild | $37,820 | - | 31 | - | $1,220 | $1,299,967 | 8 | Style Jam | false | false |
| 27 | - | Fate | $34,773 | - | 62 | - | $560 | $1,251,556 | 4 | Formula Entertainment | false | false |
| 28 | 17 | Before the Devil Knows You're Dead | $15,527 | -13.8% | 2 | - | $7,763 | $101,477 | 3 | Sony Pictures Releasing | false | false |
| 29 | 18 | Zombie Strippers! | $5,264 | -36.5% | 7 | - | $752 | $54,959 | 3 | Sony Pictures Releasing | false | false |
| 30 | 16 | Hancock | $5,005 | -78% | 5 | -157 | $1,001 | $28,713,223 | 9 | Sony Pictures Releasing | false | false |
| 31 | 19 | Pistol Whipped | $79 | -94.2% | 1 | - | $79 | $80,728 | 7 | Sony Pictures Releasing | false | false |
