Loot tables
- Boxes (Elemental Workshop I)
- Boxes (The Fremennik Trials)
- Branasaurus Rex
- Branching crystal
- Brassican
- Brazier (Guthixian temple)Air
- Brazier (Guthixian temple)Earth
- Brazier (Guthixian temple)Fire
- Brazier (Guthixian temple)Water
- Break It Up, Boys (The Hook, Blazing Lanterns vs Golden Katanas)
- Break it Up, Boys (The Hook, Blazing Lanterns vs Storm Riders)
- Break it Up, Boys (The Hook, Golden Katanas vs Storm Riders)
- Break It Up, Boys (The Pincers)
- Breath of Fire
- Brigand
- BrigandPickpocketing
- Broken armour
- Broken arrow
- Broken Lecturn
- Broken longsword
- Broken machine
- Broken rune case
- Broken staff
- BronwynPickpocketing
- Bronze key black
- Bronze key brown
- Bronze key crimson
- Bronze key purple
- Bronze key red
- Broodoo victimBlue
- Broodoo victimOrange
- Brute
- Brutish dinosaur
- Bryll (plant)
- Bucket o' carrots (2013 Christmas event)
- Bucket o' carrots (Cold Front)
- Bucket of bloodTwilight of the Gods
- Bucket of gloves
- Bucket of hedgehog spinesHearts of Sanguine
- Buckets (Carnillean Rising)
- Buckthorn bush
- Building Materials (The Bowl)
- Building Materials (The Hook)
- Building Materials (The Loop)
- Building Materials (The Pincers)
- Building Materials (The Scythe)
- Building Materials (The Shield)
- Bulwark beast