Dust may refer to:
- Dust devil, a slayer monster and one of the two monsters to drop the dragon chainbody
- Dust of armadyl is used in the making of Armadyl runes
- Dust rune, combination runes made by combining earth runes and air runes
- Vampyre dust, the remains of a vampyre
- Chocolate dust, made by using a knife on a chocolate bar
- Goat horn dust, made by using a pestle and mortar on a desert goat horn
- Unicorn horn dust, made by using a pestle and mortar on a unicorn horn
- Dragon scale dust, made by using a pestle and mortar on a blue dragon scale
- Kebbit teeth dust, made by using a pestle and mortar on kebbit teeth
- Silver dust, obtained by grinding a silver bar in the bone grinder in the Ectofuntus tower
- Rune dust, made by using a hammer or a chisel on a rune essence or pure essence stone to crack them into rune shards, and then grinding these down with a pestle and mortar
- Rune dust (Runespan), a different type of rune dust that is obtained from siphoning a runesphere in the Runespan minigame
- Rod dust, a discontinued item, was the result of using all 10 charges of a rod of Ivandis
- Flail dust, a discontinued item, was the result of using all 30 charges of an Ivandis flail
- Sawdust appears at a player's feet after asking the sawmill operator to convert logs into planks. It currently has no use
- Ashes, the remains of a fire and dropped by imps, lesser, and greater demons
- Stardust, obtained from the Shooting Star distraction and diversion
- Harmonic dust, obtained in Prifddinas while playing a harp at the Ithell clan in Prifddinas, used to make crystal weapons and tools
- Silvthril dust, an item used in River of blood, obtained by using a silvthril bar on the bone grinder at the Ectofuntus
- Silvthril dust (b), its blessed version after using the former with the altar in the nature grotto