| Country | First name | Last name | Organisation |
|---|---|---|---|
| GUYANA | Rubye | Rubye | HT |
| ISLE OF MAN | Rudolf | Rudolf | DP |
| BAHRAIN | Rudolf | Rudolf | ZO |
| COCOS (KEELING) ISLANDS | Rudolf | Rudolf | KP |
| AUSTRALIA | Rudolf | Rudolf | YV |
| SINGAPORE | Rudolf | Rudolf | RL |
| SAN MARINO | Rudolph | Rudolph | KM |
| NETHERLANDS | Rudolph | Rudolph | FM |
| TUNISIA | Rudolph | Rudolph | TU |
| CAMBODIA | Rudolph | Rudolph | CU |
| DENMARK | Rudy | Rudy | CM |
| MAURITIUS | Rueben | Rueben | XZ |
| KAZAKHSTAN | Rueben | Rueben | HZ |
| BENIN | DAGBA | Ruffin Antoine | BENIN TELECOMS SA |
| TONGA | Rufus | Rufus | SW |
| ECUADOR | Rufus | Rufus | ZC |
| AZERBAIJAN | Rufus | Rufus | FL |
| INDIA | Rufus | Rufus | OW |
| TANZANIA, UNITED REPUBLIC OF | Benson | Rukantabula | The Open University of Tanzania |
| UNITED STATES | Didier | Rukeratabaro Kasole | Supranet |
| CHAD | Reagan | Rummel | PC |
| NIUE | Russel | Russel | DQ |
| MONACO | Russel | Russel | PV |
| ANGOLA | Russel | Russel | KZ |
| BELGIUM | Russel | Russel | XL |
| AFGHANISTAN | Nilda | Russel | UG |
| BURKINA FASO | Russell | Russell | MQ |
| RUSSIAN FEDERATION | Russell | Russell | WW |
| IRELAND | Rusty | Rusty | FB |
| SAINT VINCENT AND THE GRENADINES | Ruth | Ruth | VP |
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