N
- Namibia (1990–)
- Natal (1857–1908)
- Nauru (1916–)
- Nepal (1881–)
- Netherlands (1852–)
- Netherlands Antilles (1873–)
- Netherlands Indies (1864–1949)
- Netherlands New Guinea (1950–1962)
- Nevis (1861–)
- New Britain (1914–1915)
- New Caledonia (1859–)
- New Guinea (1925–1939)
- New Hebrides (1908–1980)
- New South Wales (1850–1907)
- New Zealand (1855–)
- Nicaragua (1862–)
- Cabo Gracias a Dios, Nicaragua (1904–1909)
- Zelaya, Nicaragua (1904–1912)
- Niger (1921–)
- Niger Coast Protectorate (1892–1898)
- Nigeria (1914–)
- Niue (1902–)
- Norfolk Island (1947–)
- North Borneo (1883–1963)
- Northern Nigeria (1900–1912)
- Northern Rhodesia (1925–1964)
- North Ingermanland (1920)
- North West Pacific Islands (1915–1922)
- Norway (1855–)
- Nossi-Be (1889–1894)
- Nyasaland Protectorate (1908–1964)
- Nyassa (1898–1925)
Read more about this topic: List Of People On Stamps