Alpha Base may refer to the following:
- Alpha Base (level) - the first level of Halo Wars.
- Alpha Base (Installation 04) - the military base on Installation 04.
- Alpha Base (Harvest) - the military base on Harvest.
- Alpha Headquarters - the military base on Sigma Octanus IV.
- ONI Alpha Site - the ONI installation in Mombasa, Kenya.
- 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.