| Country | National holiday |
| Mauritius | Independence Day, 12 March (1968) |
| Mayotte | Bastille Day, 14 July (1789) |
| Mexico | Independence Day, 16 September (1810) |
| Micronesia, Federated States of | Constitution Day, 10 May (1979) |
| Moldova | Independence Day, 27 August (1991) |
| Monaco | National Day (Saint Rainier's Day), 19 November (1857) |
| Mongolia | Independence Day/Revolution Day, 11 July (1921) |
| Montenegro | National Day, 13 July (1878) |
| Montserrat | Birthday of Queen ELIZABETH II, second Saturday in June (1926) |
| Morocco | Throne Day (accession of King MOHAMMED VI to the throne), 30 July (1999) |
| Mozambique | Independence Day, 25 June (1975) |
| Namibia | Independence Day, 21 March (1990) |
| Nauru | Independence Day, 31 January (1968) |
| Navassa Island | void |
| Nepal | Republic Day, 29 May; Democracy Day, 24 April |
| Netherlands | Queen's Day (Birthday of deceased Queen-Mother JULIANA and accession to the throne of her oldest daughter BEATRIX), 30 April (1909 and 1980) |
| New Caledonia | Bastille Day, 14 July (1789); note - the local holiday is New Caledonia Day, 24 September (1853) |
| New Zealand | Waitangi Day (Treaty of Waitangi established British sovereignty over New Zealand), 6 February (1840); ANZAC Day (commemorated as the anniversary of the landing of troops of the Australian and New Zealand Army Corps during World War I at Gallipoli, Turkey), 25 April (1915) |
| Nicaragua | Independence Day, 15 September (1821) |
| Niger | Republic Day, 18 December (1958); note - commemorates the founding of the Republic of Niger which predated independence from France in 1960 |
| Nigeria | Independence Day (National Day), 1 October (1960) |