Japanese Box Office For October 2010
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SP: The Motion Picture I | $39,648,572 | 394 | $6,358,112 | 16% | 394 | Oct 30 | - | Toho |
| 2 | Knight and Day Original Release | $28,297,144 | 590 | $5,995,065 | 21.2% | 589 | Oct 9 | - | 20th Century Fox International |
| 3 | The Lady Shogun and Her Men | $27,710,666 | 312 | $3,573,670 | 12.9% | 312 | Oct 1 | - | Shochiku |
| 4 | The Incite Mill | $14,950,926 | 278 | $2,472,213 | 16.5% | 278 | Oct 16 | - | Warner Bros. |
| 5 | Despicable Me | $14,196,443 | 236 | $2,833,453 | 20% | 225 | Oct 29 | - | Toho-Towa |
| 6 | The Expendables | $10,833,013 | 280 | $2,121,171 | 19.6% | 280 | Oct 16 | - | Shochiku |
| 7 | HeartCatch PreCure the Movie: Fashion Show in the Flower Capital... Really?! | $10,494,473 | 163 | $2,444,060 | 23.3% | 163 | Oct 30 | - | Toei Company |
| 8 | Sakurada Gate Incident | $7,394,930 | 296 | $1,102,213 | 14.9% | 296 | Oct 16 | - | Toei Company |
| 9 | The Lightning Tree | $5,486,106 | 300 | $772,723 | 14.1% | 300 | Oct 22 | - | Toho |
| 10 | Saw 3D | $4,136,240 | 105 | $838,155 | 20.3% | 103 | Oct 30 | - | Asmik Ace Entertainment |
| 11 | Legend of the Guardians: The Owls of Ga'Hoole | $2,052,597 | 421 | $550,130 | 26.8% | 421 | Oct 1 | - | Warner Bros. |
| 12 | Saraba itoshi no daitôryô | $1,856,488 | 122 | - | - | - | Oct 30 | - | Asmik Ace Entertainment |
| 13 | Avatar 2010 Special Edition | $1,350,577 | - | - | - | - | Oct 16 | - | 20th Century Fox International |
| 14 | Mother Water | $1,325,794 | 58 | $374,432 | 28.2% | 58 | Oct 30 | - | - |
| 15 | Heart and Yummie | $829,823 | 162 | $361,514 | 43.6% | 162 | Oct 16 | - | - |
| 16 | Garo the Movie: Red Requiem | $307,016 | 50 | $307,016 | 100% | 50 | Oct 30 | - | - |
| 17 | Senna | $236,110 | 23 | $178,373 | 75.5% | 23 | Oct 8 | - | Toho-Towa |
| 18 | Beauty and the Beast 2010 3D Release | $222,883 | 58 | $222,883 | 100% | 58 | Oct 9 | - | Walt Disney Pictures |
| 19 | Pandorum | $170,225 | 8 | $34,011 | 20% | 7 | Oct 1 | - | Sony Pictures Releasing |
| 20 | Soup Opera | $110,362 | 47 | $110,362 | 100% | 47 | Oct 2 | - | - |
