Halo may refer to:

• Halo: Combat Evolved, original Halo game for Xbox
• Halo: Combat Evolved (PC), original Halo game for Mac and Windows
• Halo 2, a game for Xbox, successor to Halo: Combat Evolved
• Halo 2 (PC), Windows Vista port of Halo 2 with improvements
• Halo 3, the third installment Halo game for Xbox 360
• Halo 3: ODST, a Sidestory where you play as an ODST
• Halo: Reach, a prequel to the main trilogy.
• Halo: Combat Evolved Anniversary, Also Named As Halo CEA// The First Non-Bungie Halo Game made...//