| Name | Map Tool Token Link | Family | Type | Size | CR |
|---|---|---|---|---|---|
| Rakshasa | |
Rakshasa | Outsider | Medium | 10 |
| Dire Rat | |
Rat | Animal | Small | 1/3 |
| Rat Swarm | RPTok | Rat Swarm | Animal | Tiny | 2 |
| Remorhaz | |
Remorhaz | Magical beast | Huge | 7 |
| Retriever | |
Retriever | Construct | Huge | 11 |
| Rhinoceros | RPTok | Rhinoceros | Animal | Large | 4 |
| Woolly Rhinoceros | RPTok | Rhinoceros | Animal | Large | 6 |
| Roc | |
Roc | Animal | Gargantuan | 9 |
| Roper | |
Roper | Aberration | Large | 12 |
| Rust Monster | |
Rust Monster | Aberration | Medium | 3 |