Halo may refer to the following:
- The Halo Franchise - The collection of games, books and other media which take place in the Halo Universe.
- The Halo Universe - The collection of places, people and events in which the Halo Franchise develops.
- The Halo Array - The network of 7 Installations built by the Forerunners designed to combat the Flood by wiping the galaxy of all sentient organic life.
- This is a disambiguation page - a navigational aid which lists other pages that might otherwise share the same title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.