| Inscription | Country | Years | #Issued |
| Rarotonga | Cook Islands | 1919-32 | 45 |
| Ras al Khaima | Ras al Khaima | 1964 | 8 |
| Ras al Khaima | Ras al Khaima(rebelion) | 1964-73 | 800 |
| Rayon I | Switzerland | 1850-52 | 4 |
| Rayon II | Switzerland | 1850-52 | 4 |
| Rayon III | Switzerland | 1850-52 | 4 |
| Redonda | Antigua e Barbuda | 7? | |
| Regence de Tunis | Tunisia | 1888-1902 | 30 |
| Reichspost | Germany | 1889-1901 | 30 |
| Reino de Portugal | Portugal(not issued) | 1919 | 5- |
| Reunion | France: Reunion(isl) | 1885-47 | |
| RF | France/French Colonies | ||
| Rheinland-Pfalz | Germany (French occ.) | 1947-49 | 50 |
| Rhodes(ovpt) | Italy: Aegean Islands(isl) | 1912-32 | <125(all isl)- |
| Rhodesia | Rhodesia | 1965-78 | 220 |
| Rhodesia & Nyasaland | Rhodesia & Nyasaland | 1954-63 | 60 |
| Rio de Oro | Rio de Oro? | 1905-22 | 150 |
| Rio Muni | Spanish Guinea | 1960-68 | 85 |
| Rodi | Italy: Aegean: Rodi | 1912-35 | 140 |
| Romagne | Italy: Romagna(sta) | 1859 | 10 |
| Romania | Romania | 1872-1947 | 1100 |
| Ross Dependency | New Zeland: Ross Dependency | 1957- | 25 |
| Rossija | Russia | 1991- | |
| Roumelie Orientale | East Rumelia | 1880-84 | 20 |
| Royaume de l'Arabie Saoudite | Saudi Arabia | 1934-66 | 200 |
| Royaume du Burundi | Burundi | 1962-66 | 170 |
| Royaume du Cambodge | Cambodia | 1951-61(67?) | 50 |
| Royaume du Cambodge | Cambodia | 1993-97 | |
| Royaume du Laos | Laos | 1951-75 | 300 |
| Royaume du Maroc | Morocco | 1958- | 600 |
| Royaume du Yemen | Yemen | 1939-46 | 30 |
| R.P. du Kampuchea | Cambodia | 1982-89 | |
| R.P.E. Shqiperise | Albania | 1946-63 | 300 |
| R.P. Romina | Romania | 1954-63 | 700 |
| RPS E Shqiperise | Albania | 1976- | 900 |
| RSA | South Africa | 1967- | 400 |
| Ruanda-Urundi | Ruanda-Urundi | 1924-60 | 200 |
| Rups | Bogus | ||
| Rwanda | Rwanda | 1962- | 1300 |
| Ryukyus | Ryukyu Islands(isl) | 1950-72 | 250 |
| The inscriptions starting with "Rep" and "Post" have a separate table. | |||
If there are any missing inscription, tell me : marcosampaio@grupo.bfe.pt
