Joshua may refer to:
- Joshua Atkins, a noncommissioned officer of the Grayson Army.
- Joshua Kittow, an officer of the Royal Manticoran Navy.
- Joshua Kubota, another officer of the Royal Manticoran Navy.
- Joshua Pinder-Swun, a Beowulfan scientist and politician.
- Joshua Walsh, an officer of the Mesan Allignment Navy.
- the Joshua class, a class of Grayson destroyers.
- the Joshua System in the Solarian League.
- the Joshua Terminus of the Erewhon Wormhole Junction.