This is a list of films which have placed number one at the weekend box office in Japan during 2009.
| Weekend End Date | Film | Total Weekend Gross | Notes | ||
|---|---|---|---|---|---|
| 1 | WALL-E | $15,073,432 | |||
| 2 | $9,882,788 | ||||
| 3 | Kansen rettô | $8,857,548 | |||
| 4 | Quantum of Solace | $15,034,863 | |||
| 5 | 20-seiki shônen: Dai 2 shô - Saigo no kibô | $21,305,497 | |||
| 6 | $16,252,108 | ||||
| 7 | The Curious Case of Benjamin Button | $14,888,272 | |||
| 8 | Changeling | $13,764,903 | |||
| 9 | Departures | $15,863,975 | |||
| 10 | Yatterman | $18,318,553 | |||
| 11 | $16,778,439 | ||||
| 12 | $17,053,246 | ||||
| 13 | $16,526,479 | ||||
| 14 | Drop | $11,806,211 | |||
| 15 | Red Cliff: Part II | $18,639,508 | |||
| 16 | $22,439,477 | ||||
| 17 | $18,166,774 | ||||
| 18 | $13,284,222 | ||||
| 19 | April Bride | $16,935,570 | |||
| 20 | Angels & Demons | $16,935,570 | |||
| 21 | $12,736,015 | ||||
| 22 | Rookies | $11,094,214 | |||
| 23 | $9,005,159 | ||||
| 24 | $21,180,923 | ||||
| 25 | $34,986,200 | ||||
| 26 | $15,371,100 | ||||
| 27 | $12,701,920 | ||||
| 28 | Gokusen The Movie | $19,061,500 | |||
| 29 | Harry Potter and the Half-Blood Prince | $45,690,000 | |||
| 30 | $23,182,089 | ||||
| 31 | $20,625,700 | ||||
| 32 | $20,907,109 | ||||
| 33 | $23,758,913 | ||||
| 34 | $15,532,617 | ||||
| 35 | 20th Century Boys: The Last Chapter – Our Flag | $19,408,015 | |||
| 36 | $15,623,127 | ||||
| 37 | $14,024,205 | ||||
| 38 | $13,589,280 | ||||
| 39 | $8,250,399 | ||||
| 40 | $6,021,091 | ||||
| 41 | Kaiji | $12,960,184 | |||
| 42 | $10,612,988 | ||||
| 43 | I Give My First Love to You | $13,053,035 | |||
| 44 | Michael Jackson's This Is It | $19,278,617 | |||
| 45 | $13,145,746 | ||||
| 46 | A Christmas Carol | $16,975,529 | |||
| 47 | 2012 | $21,099,245 | |||
| 48 | $13,234,262 | ||||
| 49 | Up | $16,045,531 | |||
| 50 | $32,964,679 (record) | ||||
| 51 | $23,791,245 | ||||
| 52 | Avatar | $16,554,031 |
| Rank | Title | Gross[1] | |
|---|---|---|---|
| 1 |  Rookies | ||
| 2 | Harry Potter and the Half-Blood Prince | ||
| 3 | Red Cliff: Part II | ||
| 4 | Michael Jackson's This Is It | ||
| 5 | | ||
| 6 | 20th Century Boys: Chapter 3 | ||
| 7 | | ||
| 7 | WALL-E | ||
| 9 | 2012 | ||
| 10 | |
Web site: Japanese Weekend Box Office Index, 2009 . . Box Office Mojo, LLC . 2009-06-06 . Note: Click on the relevant weekend to view specifics.