| Abbreviation | Definition |
|---|---|
| ROL | Robust Resources Ltd |
| ROS | Red October Resources Limited |
| ROY | Royal Resources Ltd |
| ROYOA | Royal Resources Ltd |
| RPF | Redcape Property Group |
| RPG | Raptis Group Ltd |
| RPG | Raptis Group, LTD. |
| RQL | Resource Equipment Ltd |
| RRE | Rubianna Resources Limited |
| RRI | Rico Resources Limited |
| RRL | Regis Resources NL |
| RRLO | Regis Resources NL |
| RRLOA | Regis Resources NL |
| RRLOB | Regis Resources NL |
| RRP | Realm Resources Limited |
| RRS | Range Resources Ltd |
| RRSO | RRSO |
| RSG | Resolute Mining Ltd |
| RSGG | Resolute Mining Ltd |
| RSGKOA | Resolute Mining Limited |