Australian Box Office For December 2003
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | The Lord of the Rings: The Return of the King | $14,220,219 | 453 | $36,550,919 | - | Roadshow Entertainment |
| 2 | Master and Commander: The Far Side of the World | $7,926,407 | 325 | $10,396,176 | Dec 4 | - |
| 3 | Scary Movie 3 | $5,466,771 | 305 | $6,072,297 | Dec 11 | - |
| 4 | Love Actually | $5,046,766 | 303 | $390,629 | - | Universal Pictures International (UPI) |
| 5 | Elf | $4,297,051 | 195 | $6,122,569 | - | Roadshow Films |
| 6 | Peter Pan | $3,562,336 | 269 | $6,298,228 | Dec 18 | - |
| 7 | S.W.A.T. | $3,116,723 | 246 | $5,911,294 | Nov 27 | - |
| 8 | School of Rock | $2,529,803 | 397 | $6,274,337 | - | Big Bull Productions |
| 9 | Looney Tunes: Back in Action | $2,167,926 | 228 | $2,891,437 | Dec 11 | - |
| 10 | Brother Bear | $1,718,470 | 260 | $6,747,370 | Dec 26 | - |
| 11 | Mystic River | $1,137,387 | 83 | $4,765,090 | Nov 20 | - |
| 12 | The Matrix Revolutions | $1,078,876 | 456 | $13,015,662 | Nov 6 | - |
| 13 | The Texas Chainsaw Massacre | $812,624 | 175 | $2,636,548 | Nov 20 | - |
| 14 | Lost in Translation | $664,907 | 146 | $4,682,460 | - | Universal Pictures International (UPI) |
| 15 | Cabin Fever | $531,561 | 107 | $531,561 | Dec 4 | - |
| 16 | Seabiscuit | $427,386 | 231 | $2,377,263 | Nov 13 | - |
| 17 | Good Boy | $423,619 | 169 | $594,801 | Nov 27 | - |
| 18 | Kill Bill: Vol. 1 | $368,208 | 272 | $5,869,144 | - | Park Circus |
| 19 | Japanese Story | $359,146 | 58 | $2,862,768 | Sep 25 | Big Bull Productions |
| 20 | Uptown Girls | $297,116 | 124 | $1,055,607 | Nov 20 | - |
| 21 | Ghosts of the Abyss | $257,639 | 2 | $2,596,425 | Sep 4 | IMAX |
| 22 | The Spanish Apartment 2003 Re-release | $257,311 | 26 | $532,443 | Dec 18 | - |
| 23 | In the Cut | $215,184 | 56 | $1,097,392 | Nov 13 | Sony Pictures Releasing |
| 24 | Dumb and Dumberer: When Harry Met Lloyd | $183,267 | 72 | $183,267 | Dec 11 | - |
| 25 | Spellbound | $161,264 | 15 | $480,777 | Nov 13 | - |
| 26 | Santa vs. the Snowman 3D | $136,701 | 2 | $1,659,400 | Nov 21 | IMAX |
| 27 | Good Bye Lenin! | $131,882 | 17 | $884,367 | Dec 26 | Hopscotch Films |
| 28 | Bright Young Things | $103,775 | 28 | $232,680 | Dec 26 | - |
| 29 | Calendar Girls | $96,648 | 185 | $5,148,042 | Oct 9 | - |
| 30 | Dogville | $88,568 | 15 | $307,104 | Dec 26 | - |
| 31 | The Lord of the Rings: The Two Towers 2003 Re-release | $80,427 | 12 | $83,045 | Dec 18 | - |
| 32 | Gettin' Square | $67,503 | 132 | $1,422,008 | - | Hoyts Distribution |
| 33 | Intolerable Cruelty | $56,419 | 230 | $5,816,924 | Oct 23 | - |
| 34 | The Lord of the Rings: The Fellowship of the Ring 2003 Extended Edition | $49,296 | 11 | $78,848 | Dec 11 | - |
| 35 | The Divorce | $44,293 | 49 | $651,762 | Nov 6 | - |
| 36 | Brown Sugar | $2,209 | 1 | $2,209 | Dec 11 | - |
Data courtesy of Motion Picture Distributors Association of Australia
