| Rank | Release
| Genre
| Budget
| Running Time
| Gross | Theaters | Total Gross | Release Date | Distributor
| Estimated
|
|---|
| 1 | 20th Century Boys 1: Beginning of the End | - | - | - | $24,214,430 | 310 | $35,870,679 | Aug 30 | Toho | false |
| 2 | Hancock | - | - | - | $18,855,531 | 456 | $28,713,223 | Aug 30 | Sony Pictures Releasing | false |
| 3 | Ponyo | - | - | - | $16,692,980 | 481 | $164,565,997 | Jul 19 | Toho | false |
| 4 | Wanted | - | - | - | $14,351,112 | 506 | $23,370,055 | Sep 20 | Toho-Towa | false |
| 5 | Paco and the Magical Book | - | - | - | $12,651,912 | 292 | $22,650,527 | Sep 13 | Toho | false |
| 6 | Departures | - | - | - | $12,265,744 | 221 | $61,010,217 | Sep 13 | Shochiku | false |
| 7 | Detroit Metal City | - | - | - | $10,599,248 | 241 | $21,763,000 | Aug 23 | Toho | false |
| 8 | Sex and the City | - | - | - | $7,713,300 | 295 | $16,692,762 | Aug 23 | Gaga | false |
| 9 | Superior 8 Ultra Brothers | - | - | - | $5,954,671 | 179 | $8,292,149 | Sep 13 | Shochiku | false |
| 10 | Nim's Island | - | - | - | $3,820,389 | 214 | $4,318,459 | Sep 6 | Herald Film Company | false |
| 11 | The Mummy: Tomb of the Dragon Emperor | - | - | - | $3,176,845 | 548 | $22,941,660 | Aug 16 | Toho-Towa | false |
| 12 | Gou Gou, the Cat | - | - | - | $2,778,776 | 150 | $3,066,947 | Sep 6 | Asmik Ace Entertainment | false |
| 13 | Iron Man | - | - | - | $1,958,331 | 404 | $8,658,784 | Sep 27 | Sony Pictures Releasing | false |
| 14 | The Dark Knight | - | - | - | $1,819,497 | 460 | $14,574,849 | Aug 9 | Warner Bros. | false |
| 15 | Samurai Gangsters | - | - | - | $1,461,045 | 203 | $2,292,432 | Sep 20 | Herald Film Company | false |
| 16 | Boys Over Flowers: Final | - | - | - | $1,453,792 | 400 | $70,821,405 | Jun 28 | Toho | false |
| 17 | Ikigami | - | - | - | $1,241,354 | 252 | $7,015,574 | Sep 27 | Toho | false |
| 18 | Shutter | - | - | - | $906,498 | 134 | $1,021,309 | Sep 6 | 20th Century Fox International | false |
| 19 | What Happens in Vegas | - | - | - | $901,891 | 191 | $5,585,616 | Aug 16 | 20th Century Fox International | false |
| 20 | Pokémon: Giratina and the Sky Warrior | - | - | - | $775,239 | 359 | $43,338,599 | Jul 19 | Toho | false |
| 21 | Nights in Rodanthe | - | - | - | $648,379 | 259 | $4,200,000 | Sep 27 | Warner Bros. | false |
| 22 | Achilles and the Tortoise | - | - | - | $535,529 | 81 | $817,841 | Sep 20 | - | false |
| 23 | Kamen Rider Kiva: King of the Castle in the Demon World | - | - | - | $370,052 | 286 | $7,972,682 | Aug 9 | Toei Company | false |
| 24 | Snakes and Earrings | - | - | - | $312,119 | 26 | $449,273 | Sep 20 | Gaga | false |
| 25 | Into the Wild | - | - | - | $270,647 | 31 | $1,553,477 | Sep 6 | Style Jam | false |
| 26 | Gurren Lagann the Movie: Childhood's End | - | - | - | $226,222 | 11 | $957,621 | Sep 6 | The Klockworx | false |
| 27 | Flying Rabbits | - | - | - | $181,411 | 183 | $486,677 | Sep 13 | Toei Company | false |
| 28 | The Fall | - | - | - | $141,068 | 25 | $498,461 | Sep 6 | Movie-Eye Entertainment | false |
| 29 | Shakariki! | - | - | - | $135,682 | 73 | $534,080 | Sep 6 | Showgate | false |
| 30 | Alvin and the Chipmunks | - | - | - | $127,190 | 94 | $383,728 | Sep 13 | 20th Century Fox International | false |
| 31 | Pistol Whipped | - | - | - | $50,350 | 4 | $89,518 | Sep 13 | Sony Pictures Releasing | false |
| 32 | Panda Days | - | - | - | $39,127 | 74 | $865,339 | Aug 30 | Shochiku | false |
| 33 | The Last Game: Waseda vs. Keiko | - | - | - | $38,069 | 143 | $2,031,462 | Aug 23 | Cine Quanon | false |
| 34 | The Incredible Hulk | - | - | - | $27,691 | 173 | $1,692,037 | Aug 1 | Sony Pictures Releasing | false |
| 35 | One Million Yen Girl 2008 Re-release | - | - | - | $21,666 | 41 | $1,925,005 | Jul 19 | Nikkatsu | false |
| 36 | Starship Troopers 3: Marauder | - | - | - | $7,034 | 20 | $415,100 | Jul 19 | Sony Pictures Releasing | false |
