| Country | National anthem |
| Afghanistan | name: "Milli Surood" (National Anthem) lyrics/music: Abdul Bari JAHANI/Babrak WASA note: adopted 2006; the 2004 constitution of the post-Taliban government mandated that a new national anthem should be written containing the phrase "Allahu Akbar" (God is Great) and mentioning the names of Afghanistan's ethnic groups |
| Akrotiri | note: as a United Kingdom area of special sovereignty, "God Save the Queen" is official (see United Kingdom) |
| Albania | name: "Hymni i Flamurit" (Hymn to the Flag) lyrics/music: Aleksander Stavre DRENOVA/Ciprian PORUMBESCU note: adopted 1912 |
| Algeria | name: "Kassaman" (We Pledge) lyrics/music: Mufdi ZAKARIAH/Mohamed FAWZI note: adopted 1962; ZAKARIAH wrote "Kassaman" as a poem while imprisoned in Algiers by French colonial forces |
| American Samoa | name: "Amerika Samoa" (American Samoa) lyrics/music: Mariota Tiumalu TUIASOSOPO/Napoleon Andrew TUITELELEAPAGA note: local anthem adopted 1950; as a territory of the United States, "The Star-Spangled Banner" is official (see United States) |
| Andorra | name: "El Gran Carlemany" (The Great Charlemagne) lyrics/music: Joan BENLLOCH i VIVO/Enric MARFANY BONS note: adopted 1921; the anthem provides a brief history of Andorra in a first person narrative |
| Angola | name: "Angola Avante" (Forward Angola) lyrics/music: Manuel Rui Alves MONTEIRO/Rui Alberto Vieira Dias MINGAO note: adopted 1975 |
| Anguilla | name: "God Bless Anguilla" lyrics/music: Alex RICHARDSON note: local anthem adopted 1981; as a territory of the United Kingdom, "God Save the Queen" is official (see United Kingdom) |
| Antarctica | void |
| Antigua and Barbuda | name: "Fair Antigua, We Salute Thee" lyrics/music: Novelle Hamilton RICHARDS/Walter Garnet Picart CHAMBERS note: adopted 1967; as a Commonwealth country, in addition to the national anthem, "God Save the Queen" serves as the royal anthem (see United Kingdom) |
| Arctic Ocean | void |