| 0 | Group | Iceland | 2012 |
| 3rd Culture | Group | Reykjavík, Höfuðborgarsvæðið , Iceland | 2016-03-15 |
| 24-7 | Group | Iceland | |
| 200.000 Naglbítar | Group | Iceland | |
| 404.zero | | Iceland | |
| 1860 | Group | Iceland | 2010 |
| 2001 | Group | Iceland | |
| Á móti sól | Group | Iceland | |
| A.I. | Group | Iceland | |
| Aaru | Group | Reykjavík, Höfuðborgarsvæðið , Iceland | 2020 |
| AATH | | Iceland | |
| Abacination | Group | Iceland | 2010 |
| Monika Abendroth | Person | Iceland | |
| Abezethibou | Group | Iceland | |
| Abominor | Group | Reykjavík, Höfuðborgarsvæðið , Iceland | 2008 |
| Abstrakt Idea | | Iceland | |
| Aðalbjörn Tryggvason | Person | Iceland | 1977-07-07 |
| Hákon Aðalsteinsson | Person | Iceland | |
| Addi 800 | Person | Iceland | |
| ADHD | Group | Iceland | 2008-02 |
| Æðruleysi | | Iceland | |
| Aeterna | Group | Iceland | |
| Ævar Örn Sigurðsson | Person | Iceland | |
| Afkvæmi Guðanna | Group | Iceland | |
| Afsprengi Satans | Group | Reykjavík, Höfuðborgarsvæðið , Iceland | |
| Agent Fresco | Group | Iceland | 2008 |
| Agnar Már Magnússon | Person | Iceland | 1974-08-30 |
| Agzilla | Person | Iceland | |
| Ármann Agnarsson | Person | Iceland | |
| Hilmar Örn Agnarsson | Person | Iceland | 1960-05-09 |
| Agnes Björt Andradóttir | Person | Iceland | |
| Agnes Eyja Gunnarsdóttir | Person | Iceland | |
| Agnes Marinósdóttir | Person | Reykjavík, Höfuðborgarsvæðið , Iceland | 1981 |
| Ágúst | Person | Iceland | 2000 |
| Ágúst Ævar Gunnarsson | Person | Iceland | 1976-09-22 |
| Ágúst Arnar Einarsson | Person | Iceland | |
| Ágúst Ólafsson | Person | Iceland | |
| Daníel Ágúst | Person | Iceland | 1969-08-26 |
| Ágústa Eva Erlendsdóttir | Person | Iceland | 1982-07-28 |
| Berglind Ágústsdóttir | Person | Iceland | |
| Ajax | Group | Iceland | |
| Áki Ásgeirsson | Person | Iceland | 1975-08-30 |
| Äkth Gánahëth | Group | Reykjavík, Höfuðborgarsvæðið , Iceland | 2020 |
| Álafosskór | Choir | Iceland | 1980-10-05 |
| Alaska1867 | Group | Reykjavík, Höfuðborgarsvæðið , Iceland | |
| Albert Einasson | Person | Iceland | |
| Albert Finnbogason | Person | Iceland | |
| Chris Albertson | Person | United States | 1931-10-18 |
| Ólafur Vignir Albertsson | Person | Iceland | 1936-05-19 |
| Snævar Albertsson | Person | Denmark | |
| Alchemia | Group | Hafnarfjörður, Höfuðborgarsvæðið , Iceland | |
| Alda Dís | Person | Reykjavík, Höfuðborgarsvæðið , Iceland | 1993-01-09 |
| Alda Lóa Leifsdóttir | Person | Iceland | |
| Alexander Jarl Þorsteinsson | Person | Iceland | |
| Alexander Órn Númason | Person | Iceland | |
| Alexandra Baldursdóttir | Person | Reykjavík, Höfuðborgarsvæðið , Iceland | |
| Álfheiður Erla Guðmundsdóttir | Person | Iceland | 1993-12-02 |
| Alfreð Clausen | Person | Iceland | 1918-05-07 |
| DJ Allskynz | Person | Reykjavík, Höfuðborgarsvæðið , Iceland | |
| Almyrkvi | Group | Iceland | 2013 |
| Altari | | Iceland | |
| AmabAdamA | Group | Reykjavík, Höfuðborgarsvæðið , Iceland | 2013 |
| Amarosis | Group | Iceland | |
| AMFJ | Person | Reykjavík, Höfuðborgarsvæðið , Iceland | |
| amiina | Group | Iceland | 1998 |
| Ampop | Group | Iceland | 1998 |
| Ámsvartnir | Group | Iceland | |
| Ámundi | Person | Iceland | |
| Andartak | Person | Reykjavík, Höfuðborgarsvæðið , Iceland | |
| Andavald | Group | Reykjavík, Höfuðborgarsvæðið , Iceland | 2015 |
| Steindór Andersen | Person | Iceland | 1954-09-02 |
| Bergur Thomas Anderson | Person | Iceland | |
| Andlát | Group | Iceland | |
| Andrea Á. Aðalsteinsdóttir | Person | Iceland | |
| Andrea Gylfadóttir | Person | Iceland | |
| Andrés Ingólfsson | Person | Iceland | 1935-07-11 |
| Valgerður Andrésdóttir | Person | Iceland | |
| Andrew | Group | Iceland | |
| Andri Ólafsson | Person | Iceland | |
| Andri Snær Magnason | Person | Iceland | 1973-07-14 |
| Andri Þór Sturluson | Person | Iceland | |
| Andvaka | | Reykjavík, Höfuðborgarsvæðið , Iceland | 2019 |
| Andy Svarthol | Group | Reykjavík, Höfuðborgarsvæðið , Iceland | |
| Angist | Group | Reykjavík, Höfuðborgarsvæðið , Iceland | |
| ANITA | Person | Iceland | |
| Anna Guðný Guðmundsdóttir | Person | Iceland | 1958-09-06 |
| Anna Halldórsdóttir | Person | Iceland | 1970-04-21 |
| Anna Hugadóttir | Person | Iceland | |
| Anna Ingvarsdóttir | Person | Iceland | |
| Anna María | Person | Iceland | |
| Anna Mjöll | Person | Iceland | 1970 |
| Anna Pálína Árnadóttir | Person | Iceland | 1963-03-09 |
| Anna Sigríður Þorvaldsdóttir | Person | Iceland | 1977-07-11 |
| Apparat Organ Quartet | Group | Iceland | 1999 |
| Helgi Þór Arason | Person | Iceland | |
| Örn Arason | Person | Iceland | |
| Ari Árelíus | Person | Reykjavík, Höfuðborgarsvæðið , Iceland | |
| Ari Baldur Baldursson | Person | Iceland | |
| Ari Bragi Kárason | Person | Iceland | 1989-02-09 |
| Ari Ólafsson | Person | Iceland | 1998-05-21 |