| Inscription | Country | Years | #Issued |
| Hamburg | German: Hamburg(sta) | 1859-67 | 30 |
| Hannover | German: Hanover(sta) | 1850-64 | 40 |
| Hashemite Kingdom of Jordan | Jordan | 1949- | 1000 |
| Hatay Devleti | Turkey: Hatay(adm) | 1939 | 50 |
| Haut Senegal et Niger | Upper Senegal & Niger | 1914-17 | 17 |
| Haut Senegal-Niger | Upper Senegal & Niger | 1906-14 | 35 |
| Haute Silesie | Upper Silesia | 1920-22 | 100 |
| Hawaii | Hawaii | 1864-99 | 80 |
| Hawaiian Islands | Hawaii | 1853-68 | |
| Hawaiian Postage | Hawaii | 1851-65 | |
| Hedjaz & Nedjde | Saudi Arabia | 1931-32 | 6 |
| H.E.H. the Nizam's Gov't | India: Hyderabad(sta) | 1927-37 | 5 |
| Hejaz & Nejd | Saudi Arabia | 1929-30 | 8 |
| Heligoland | Great Britain: Heligoland(isl) | 1867-79 | 30 |
| Hellas | Greece | 1966- | 800 |
| Helvetia | Switzerland | 1862- | 1500 |
| Herzogth Holstein | Germany: Schleswig-Holstein(sta) | 1865-66 | 8 |
| Herzogth Post Frm? | Germany: Schleswig-Holstein(sta) | 1864 | |
| Herzogth Schleswig | Germany: Schleswig-Holstein(sta) | 1864-65 | 8 |
| H.H.Nawabshah Jahanbecan | India: Bhopal(sta) | 1876-99 | 90 |
| H.I. & U.S. Postage | Hawaii | 1851 | |
| H.I. Postage | Hawaii | 1875-91 | |
| Holkar State | India: Indore(sta) | 1886-1904 | 10 |
| Honduras | Honduras | 1866- | 1400 |
| Hong Kong | Hong Kong | 1862- | 550 |
| Hrvata i Slovenaca Kraljevstvo Srba | Yugoslavia | 1921-28 | 60 |
| Hrvatska | Croatia | 1941-45 | 180 |
| Hyderabad | India: Hyderabad(sta) | 1946 | 3 |
If there are any missing inscription, tell me : marcosampaio@grupo.bfe.pt
