This is a list of films which placed number one at the weekend box office for the year 2012 in Japan.
| Date | Film | Gross[1] | |
|---|---|---|---|
| 1 | $4,314,616 | ||
| 2 | $2,643,113 | ||
| 3 | Always: Sunset on Third Street '64 | $7,212,260 | |
| 4 | $5,298,327 | ||
| 5 | $3,560,747 | ||
| 6 | The Girl with the Dragon Tattoo | $3,030,087 | |
| 7 | In Time | $3,636,881 | |
| 8 | $3,119,080 | ||
| 9 | $6,812,341 | ||
| 10 | $5,305,991 | ||
| 11 | $3,660,556 | ||
| 12 | $3,027,582 | ||
| 13 | $3,678,829 | ||
| 14 | $5,710,349 | ||
| 15 | $7,672,280 | ||
| 16 | $4,995,597 | ||
| 17 | Terumae romae | $5,269,888 | |
| 18 | $6,835,550 | ||
| 19 | $4,541,769 | ||
| 20 | Dark Shadows | $5,050,897 | |
| 21 | Men in Black 3 | $7,161,565 | |
| 22 | $5,248,314 | ||
| 23 | $4,037,744 | ||
| 24 | Snow White and the Huntsman | $3,867,922 | |
| 25 | $2,538,108 | ||
| 26 | The Amazing Spider-Man | $7,445,379 | |
| 27 | $4,545,555 | ||
| 28 | $11,045,479 | ||
| 29 | $6,975,357 | ||
| 30 | $5,209,789 | ||
| 31 | $3,748,421 | ||
| 32 | $3,456,137 | ||
| 33 | The Avengers | $6,386,185 | |
| 34 | Rurouni Kenshin | $5,093,453 | |
| 35 | $5,186,091 | ||
| 36 | $10,276,902 | ||
| 37 | $8,650,515 | ||
| 38 | $6,326,277 | ||
| 39 | $3,464,776 | ||
| 40 | Beyond Outrage | $3,580,556 | |
| 41 | Puella Magi Madoka Magica: The Movie "Eternal" | ¥171,622,400 | |
| 42 | The Expendables 2 | $2,112,912 | |
| 43 | Smile Precure! Ehon No Naka Ha Mina Chiguhagu | $2,472,021 | |
| 44 | The Floating Castle | $5,055,822 | |
| 45 | $3,823,135 | ||
| 46 | $14,147,695 | ||
| 47 | $6,966,858 | ||
| 48 | Skyfall | $5,675,774 | |
| 49 | $3,424,137 | ||
| 50 | $16,681,502 | ||
| 51 | $8,553,633 | ||
| 52 | $5,439,671 |
| Rank | Title | Gross[2] | |
|---|---|---|---|
| 1 |  | ||
| 2 | Thermae Romae | ||
| 3 | | ||
| 4 | |||
| 5 | | ||
| 6 | Wolf Children | ||
| 7 | |||
| 8 | | ||
| 9 | The Avengers | ||
| 9 | |