This is a list of American films released in 2003.

Box office The highest-grossing American films released in 2003, by domestic box office gross revenue, are as follows:

+Highest-grossing films of 2003 Rank Title Distributor Domestic gross 1The Lord of the Rings: The Return of the KingNew Line Cinema$377,027,3252Finding NemoDisney$339,714,1843Pirates of the Caribbean: The Curse of the Black Pearl$305,398,7794The Matrix ReloadedWarner Bros. Pictures$281,576,4615Bruce AlmightyUniversal Pictures$242,829,2616X220th Century Fox$214,949,6947ElfNew Line Cinema$167,547,0008Terminator 3: Rise of the MachinesWarner Bros. Pictures$150,371,1129The Matrix Revolutions$139,313,94810Cheaper by the Dozen20th Century Fox$138,614,544

January–March