| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Suspect X | $4,922,277 | -4.4% | 410 | - | $12,005 | $14,549,133 | 2 | Toho | false | false |
| 2 | 3 | Wanted | $1,008,451 | -21.9% | 386 | -41 | $2,612 | $20,496,052 | 4 | Toho-Towa | false | false |
| 3 | 4 | Paco and the Magical Book | $987,470 | -18.6% | 292 | - | $3,381 | $17,810,282 | 5 | Toho | false | false |
| 4 | 6 | Departures | $984,138 | -12.4% | 220 | - | $4,473 | $18,918,689 | 5 | Shochiku | false | false |
| 5 | 2 | Farewell Kamen Rider Den-O: Final Countdown | $980,975 | -42% | 156 | - | $6,288 | $3,199,540 | 2 | Toei Company | false | false |
| 6 | 5 | Iron Man | $792,866 | -31.3% | 380 | -23 | $2,086 | $6,586,027 | 3 | Sony Pictures Releasing | false | false |
| 7 | 7 | 20th Century Boys 1: Beginning of the End | $698,329 | -19.5% | 300 | +2 | $2,327 | $34,250,489 | 7 | Toho | false | false |
| 8 | 8 | Ikigami | $696,543 | -19% | 252 | - | $2,764 | $5,104,485 | 3 | Toho | false | false |
| 9 | 9 | Ponyo | $642,443 | -14.4% | 481 | - | $1,335 | $140,710,005 | 13 | Toho | false | false |
| 10 | - | Get Smart | $547,160 | - | 205 | - | $2,669 | $547,180 | 1 | Warner Bros. | true | false |
| 11 | 12 | Hancock | $282,585 | -22.2% | 350 | -50 | $807 | $28,032,633 | 7 | Sony Pictures Releasing | false | false |
| 12 | 10 | Superior 8 Ultra Brothers | $273,387 | -34.2% | 179 | +1 | $1,527 | $7,211,000 | 5 | Shochiku | false | false |
| 13 | 11 | Nights in Rodanthe | $263,210 | -33.4% | 259 | - | $1,016 | $3,177,626 | 3 | Warner Bros. | false | false |
| 14 | - | The Fure Fure Girl | $210,808 | - | 185 | - | $1,139 | $210,808 | 1 | Shochiku | true | false |
| 15 | - | The Nanny Diaries | $205,058 | - | 111 | - | $1,847 | $205,058 | 1 | Showgate | true | false |
| 16 | - | Before the Devil Knows You're Dead | $19,273 | - | 1 | - | $19,273 | $19,273 | 1 | Sony Pictures Releasing | true | false |
| 17 | - | Zombie Strippers! | $13,770 | - | 7 | - | $1,967 | $13,770 | 1 | Sony Pictures Releasing | true | false |
| 18 | 27 | Pistol Whipped | $319 | -95.3% | 2 | -1 | $159 | $75,392 | 5 | Sony Pictures Releasing | false | false |
