| |
| AARNEN VALINTA | punk rock |
| AAVIKKO | groovy synth non-disco un-pop, 1995- |
| AAVIKON KONE JA MOOTTORI | experimental electronic music, 1979-1980 |
| ABORTTI 13 | hardcore punk, 1983-1984,2009 |
| ABSOLUUTTINEN NOLLAPISTE | rock, progressive rock, 1991- |
| ABSURD ATTITUDE | crustcore |
| ACABÓ EL SILENCIO | metallic hardcore punk |
| AD | post-post-punk, industrial, noise, 1983?-198?,2004- |
| ADOLF Und Die FREIE SCHEISSE | |
| ADULT NUTHOUSE | |
| ADVANCED ART | synth pop, industrial dance, 1985-1995 |
| AGAINST IT ALL | skate punk, 199?-1998 |
| AGENDA | hardcore punk, 199?-2000? |
| AGENTS | rautalanka, 1979- |
| AHKERAT SIMPANSSIT | therapy session folk |
| AHNEET MAJAVAT | post-punk |
| Kyky AHONEN | punk rock, rock |
| Eero AHRE | rock |
| AIRDASH | speed metal, 1986-1992 |
| AIV | new wave |
| AIVOPROTEESI | hardcore punk |
| AIVOPUISTO | punk rock |
| AKI & TURO And The HEPAMAMAS | |
| AKISISTERS | |
| A.K.K. | punk rock, 1986?-1988 |
| AKTION | post-punk, 1984-1985 |
| AKU ANKKULI | Peitsamo-rock, 1992- |
| AKU SYNDROME | punk pop, suomirock, 1995- |
| "ALAKULTTUURIN KUSIPÄÄT" | punk rock, 1998?-1999? |
| ALAMAAILMA | noise punk, 1982-1983? |
| Ismo ALANKO | suomirock |
| ALASTON LOUNAS | rock, 1984-1987? |
| ALFA | rock'n'roll |
| ALFA LAVALLA | rock |
| ALICE In WASTELAND | indie pop with driving guitars, 1986-1993 |
| ALIEN HEAT | psychedelia, folk rock |
| ALITAJUNTA | punk pop |
| ALIVALTIOSIHTEERI | official comedy rock, 1983- |
| ALLIANCE | heavy metal |
| AMADEUS | |
| AMAZING TAILS | fast punk rock, 1989-199? |
| AMEN | hardcore punk, 1989- |
| AM I BLOOD | heavy metal, 1997- |
| AMIRAALI NELSON | punk rock |
| ANAL INTRUDER | hardcore punk |
| ANGMAR | death metal, black metal |
| ANNI & The MESSANGELS | |
| ANNUKKA | fast punk pop |
| ANTIKEHO | hardcore punk |
| Jyrki-Olavi ANTTILA | |
| A.O.R. | rock |
| APARTHEID | hardcore punk, 1985-198? |
| APPENDIX | hardcore punk, 1981-1984 |
| APRÈS DEMAIN | synth pop |
| APULANTA | teen punk pop, alternative rock, 1991- |
| A.R.G. | thrash metal, 1987-1994,2011- |
| ARGON | synth pop, 1980-1981 |
| ARMAGEDDON CLOCK | hardcore punk, 1996- |
| ARMED REVOLUTION | hardcore punk, 1993-1995 |
| ARSESLAUGHTER | grind noise |
| ARSON | hard rock, heavy metal |
| ARTPOP KOMBO | |
| ASCEND | rock |
| ASHEN | thrash metal, 1988-1990? |
| ASTHMATIX | rough punk rock |
| ASTRO CAN CARAVAN | astral big band fake jazz, 200?- |
| ASTRO LANES | American rock, 1988?-199? |
| ASTRONUTS | punk rock |
| ATOM HEART | alternative rock, 1994-2000 |
| ATTANAS | hardcore punk |
| AURINKOKERHO | punk pop, 1994?-1998? |
| The AUTOBIOGRAPHICAL DANCERS | indie pop |
| AVO HEYSKANEN | rock, 1987-1993 |
| AWKWARD SQUAD | psychopunk |
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