Bob may refer to one of these separate beings:
- Bob (cat), the enigmatic black cat.
- Evil Bob, the evil doppelgänger of Bob the Jagex Cat. He whisks players away to ScapeRune during the Prison Pete and Evil Bob's Island random events.
- Bob (smith), the hatchet seller in Lumbridge.
- Bob Sinclair, one of the Sinclair siblings.
- Bob Barter, the Herblore Market Price Guide in the Grand Exchange.
- A Beast of Burden (often abbreviated to BoB), a type of Summoning familiar.
- Bob (guard), a Falador guardsman seen during the Garden of Tranquility quest.
- Bob, a member of the Flash Mob seen during the Enlightened Journey quest.
- Builder Bob, involved in the Lumbridge Rebuildathon