Space may refer to:
- Bank space, the number of spaces remaining in a player's bank
- Game square, a unit of length
- Inventory space, the number of spaces a player has left
- Storage, any interactive content a player utilises to store items, such as accounts (known as mules), banks, bags, pouches, etc.
- Unknown, inaccessible blank areas on the borders of Gielinor
- Birdhouse space, location for placing a birdhouse on Fossil Island