This page discusses elements of deleted material and cut content. Some information on the page is sourced from game files and may not be verifiable through external sources. Where possible, such information should be clearly-marked and replaced with a proper external source as soon as one is available.
The following pieces of cut dialogue can be found in the game files for Halo 3. Note that some files have been manually edited together for cohesiveness, and are stored as individual files in the game itself.