 Penwie | 2–5 | 10/128 |
 Phantom Muspah (Ranged) | 1 | 1/4,812.8, 2 rolls |
 Phosani's Nightmare | 27–60 | 3/100 |
| Pillory | 1 | 8/120 |
 Pirate (Brimhaven) | 1 | 1/2,048 |
 Pirate (1) | 1 | 1/2,048 |
| Prison Pete (Free-to-play) | 4 | 108/754 |
| Prison Pete (Members) | 4 | 580/5,656 |
 Professor Imblewyn | 2–4 | 10/128 |
 Professor Manglethorp | 2–4 | 10/128 |
 Professor Onglewip | 2–4 | 10/128 |
 Pygmy kraken | 1 | 1/1,728 |
 Pyrefiend (Level 43) | 1 | 1/682.67 |
 Pyrelord (1) | 1 | 1/682.67 |
 Red dragon (1) | 1 | 1/409.6 |
| Reinforced chest | 1 | 2/75 |
 Repugnant spectre | 1 | 1/64, 3 rolls |
| Reward Cart | 2–4 | Varies |
| Reward Chest (The Gauntlet) (Corrupted) | 10–40 | 1/24, 3 rolls |
| Reward Chest (The Gauntlet) (Regular) | 5–30 | 1/24, 2 rolls |
 Rick Turpentine (Normal) | 1 | 8/150 |
 Rock | 1 | 1/409.6 |
 Rock Crab (Active) | 1 | 1/2,048 |
| Rock Golem (monster) (High level) | 1 | 1/1,024 |
 Rock lobster (Active) | 1 | 1/2,048 |
| Rocks (The Tourist Trap) | 1 | 8/32,768 |
 Rockslug (Adult) | 1 | 1/341.33 |
| Rubium deposit | 1 | 8/32,768 |
| Rubium rocks | 1 | 8/32,768 |
 Rune dragon | 1 | 1/13,004.8 |
| Runite rocks | 1 | 8/32,768 |
| Rusty chest | 1 | 2/75 |
 Salarin the twisted | 1 | 1/2,048 |
 Sand Crab (Active) | 1 | 1/2,048 |
 Sarachnis | 20–30 | 2/100 |
| Sarachnis | 1 | 1/1,600 |
| Sarcophagus (Ancient Pyramid) | 1 | Rare |
 Scarab Mage (Level 66 (Contact!)) | 1 | 1/135.13 |
 Scorpia | 15–20 | 6/128 |
 Screaming banshee | 1 | 1/1,024, 3 rolls |
 Screaming twisted banshee | 1 | 1/1,024, 3 rolls |
 Sea Snake Hatchling | 1 | 1/2,048 |
 Sea Snake Young | 1 | 1/2,048 |
 Shadow warrior | 1 | 1/256 |
 Shadow Wyrm (Idle) | 1 | 1/1,216, 3 rolls |
 Shellbane gryphon | 1 | 1/2,048, 2 rolls |
| Shop Counter (gems) | 1 | 300/3,000 |
| Silver rocks | 1 | 8/32,768 |