| Abbreviation | Definition |
|---|---|
| RIO | Rio Tinto |
| RKH | Rockhopper |
| RKKI | Ruukki Group |
| RKMD | Rostelekom Adr |
| RLE | Real Estate Investors, P.L.C. |
| RLH | Red Leopard |
| RLI | Rolinco Nv(br) |
| RM. | Rm |
| RMM | Rambler |
| RMV | Rightmove |
| RNK | Rank Group |
| RNK | Rank Grp. |
| RNO | Renold |
| RNSM | Ransom(william) |
| RNVO | Renovo Group |
| RNVO | Renovo Grp |
| RNWH | Renew Holdings |
| ROE | Rate Of Exchange |
| ROL | Rotala |
| ROM | Romag |