| SSX-167 | | Another Roman Anecdote of 5th story / Sound Horizon / Another Roman Anecdote of 5th story / Sound Horizon / Another Roman Anecdote of 5th story / Sound Horizon | Nov 22, 2006 | CD |
| N/A | | Chronicle / Chronicle / Chronicle | Dec 30, 2001 | CD |
| SH-CHR05 | | Chronicle 2nd / Chronicle 2nd / Chronicle 2nd | Mar 19, 2004 | Enhanced CD |
| KIZC-149~51 | | Chronology [2005-2010] / Sound Horizon / Chronology [2005-2010] / Sound Horizon / Chronology [2005-2010] / Sound Horizon | Apr 13, 2012 | 2 CD + DVD |
| BZCS-5004 | | Elysion -Rakuen e no Zensoukyoku- / Sound Horizon / Elysion－楽園への前奏曲－ / Sound Horizon / Elysion -Rakuen e no Zensoukyoku- / Sound Horizon | Oct 27, 2004 | CD |
| BZCS-5033 |  | Elysion -Rakuen e no Zensoukyoku- / Sound Horizon / Elysion－楽園への前奏曲－ / Sound Horizon / Elysion -Rakuen e no Zensoukyoku- / Sound Horizon | Jul 29, 2020 | UHQCD |
| BZCS-5006 | | Elysion ~Rakuen Gensou Monogatari Kumikyoku~ / Sound Horizon / Elysion ～楽園幻想物語組曲～ / Sound Horizon / Elysion ~Rakuen Gensou Monogatari Kumikyoku~ / Sound Horizon | Apr 13, 2005 | CD |
| BZCS-5034 | | Elysion ~Rakuen Gensou Monogatari Kumikyoku~ / Sound Horizon / Elysion ～楽園幻想物語組曲～ / Sound Horizon / Elysion ~Rakuen Gensou Monogatari Kumikyoku~ / Sound Horizon | Jul 29, 2020 | UHQCD |
| PCCA-03902 | | Halloween to Yoru no Monogatari / Sound Horizon / ハロウィンと夜の物語 / Sound Horizon / Halloween to Yoru no Monogatari / Sound Horizon | Oct 09, 2013 | CD |
| PCCA-03901 | | Halloween to Yoru no Monogatari / Sound Horizon [Limited Edition] / ハロウィンと夜の物語 / Sound Horizon / Halloween to Yoru no Monogatari / Sound Horizon [Limited Edition] | Oct 09, 2013 | CD + DVD |
| PCCA-04968 | | Halloween to Yoru no Monogatari / Sound Horizon / ハロウィンと夜の物語 / Sound Horizon / Halloween to Yoru no Monogatari / Sound Horizon | Oct 30, 2020 | UHQCD |
| KICM-1311 | | Ido e Itaru Mori e Itaru Ido / Sound Horizon / イドへ至る森へ至るイド / Sound Horizon / Ido e Itaru Mori e Itaru Ido / Sound Horizon | Jun 16, 2010 | CD |
| KICM-91311 | | Ido e Itaru Mori e Itaru Ido / Sound Horizon [Limited Edition] / イドへ至る森へ至るイド / Sound Horizon / Ido e Itaru Mori e Itaru Ido / Sound Horizon [Limited Edition] | Jun 16, 2010 | CD + DVD |
| KICM-2058 | | Ido e Itaru Mori e Itaru Ido / Sound Horizon / イドへ至る森へ至るイド / Sound Horizon / Ido e Itaru Mori e Itaru Ido / Sound Horizon | Oct 21, 2020 | UHQCD |
| SH-LT02 | | Lost / Lost / Lost | Dec 28, 2002 | Enhanced CD |
| KICS-1630 | | Märchen / Sound Horizon / Märchen / Sound Horizon / Märchen / Sound Horizon | Dec 15, 2010 | CD |
| KICS-91630 | | Märchen / Sound Horizon [Limited Edition] / Märchen / Sound Horizon [Limited Edition] / Märchen / Sound Horizon [Limited Edition] | Dec 15, 2010 | CD |
| KICS-3933 | | Märchen / Sound Horizon / Märchen / Sound Horizon / Märchen / Sound Horizon | Oct 21, 2020 | UHQCD |
| KICS-1363 | | Moira / Sound Horizon / Moira / Sound Horizon / Moira / Sound Horizon | Sep 03, 2008 | CD |
| KICS-91363 | | Moira / Sound Horizon [Limited Edition] / Moira / Sound Horizon [Limited Edition] / Moira / Sound Horizon [Limited Edition] | Sep 03, 2008 | CD |
| KICS-3932 | | Moira / Sound Horizon / Moira / Sound Horizon / Moira / Sound Horizon | Sep 30, 2020 | UHQCD |
| PCCA-04161 | | Nein / Sound Horizon [Limited Edition] / Nein / Sound Horizon [Limited Edition] / Nein / Sound Horizon [Limited Edition] | Apr 22, 2015 | 2 CD + Blu-ray |
| PCCA-04162 | | Nein / Sound Horizon [Limited Edition] / Nein / Sound Horizon [Limited Edition] / Nein / Sound Horizon [Limited Edition] | Apr 22, 2015 | CD + DVD |
| PCCA-04163 | | Nein / Sound Horizon / Nein / Sound Horizon / Nein / Sound Horizon | Apr 22, 2015 | CD |
| PCCA-04970 | | Nein / Sound Horizon / Nein / Sound Horizon / Nein / Sound Horizon | Nov 25, 2020 | UHQCD |
| SH-PM03 | | Pico Magic / Pico Magic / Pico Magic | May 04, 2003 | Enhanced CD |
| SH-PMR04 | | Pico Magic Reloaded / Pico Magic Reloaded / Pico Magic Reloaded | Aug 15, 2003 | Enhanced CD |
| PCXP-50927 | | Revo's Halloween Party 2024 / Sound Horizon / Revo's Halloween Party 2024 / Sound Horizon [通常盤] / Revo's Halloween Party 2024 / Sound Horizon | Oct 31, 2025 | Blu-ray |
| BRXP-00049 | | Revo's Halloween Party 2024 / Sound Horizon [Special Edition] [Limited Edition] / Revo's Halloween Party 2024 / Sound Horizon [特装盤] / Revo's Halloween Party 2024 / Sound Horizon [Special Edition] [Limited Edition] | Oct 31, 2025 | 2 Blu-ray |
| KICS-1286 | | Roman / Sound Horizon / Roman / Sound Horizon / Roman / Sound Horizon | Nov 22, 2006 | CD |
| KICS-91286 | | Roman / Sound Horizon [Limited Edition] / Roman / Sound Horizon [Limited Edition] / Roman / Sound Horizon [Limited Edition] | Nov 22, 2006 | CD |
| KICS-3931 | | Roman / Sound Horizon / Roman / Sound Horizon / Roman / Sound Horizon | Aug 26, 2020 | UHQCD |
| KICS-91286 | | Roman Digest CD version Revo / Sound Horizon / Roman Digest CD version Revo / Sound Horizon / Roman Digest CD version Revo / Sound Horizon | Nov 22, 2006 | CD |
| KICM-91208 | | Seisen no Iberia / Sound Horizon [Limited Edition] / 聖戦のイベリア / Sound Horizon / Seisen no Iberia / Sound Horizon [Limited Edition] | Aug 01, 2007 | CD + DVD |
| KICM-1208 | | Seisen no Iberia / Sound Horizon / 聖戦のイベリア / Sound Horizon / Seisen no Iberia / Sound Horizon | Aug 01, 2007 | CD |
| KICM-2057 | | Seisen no Iberia / Sound Horizon / 聖戦のイベリア / Sound Horizon / Seisen no Iberia / Sound Horizon | Sep 30, 2020 | UHQCD |
| KDSD-00111 | | Shounen wa Tsurugi wo… / Sound Horizon / 少年は剣を･･･ / Sound Horizon / Shounen wa Tsurugi wo… / Sound Horizon | Sep 20, 2006 | CD |
| KICM-2056 | | Shounen wa Tsurugi wo… / Sound Horizon / 少年は剣を･･･ / Sound Horizon / Shounen wa Tsurugi wo… / Sound Horizon | Aug 28, 2020 | UHQCD |
| SH-TA01 | | Thanatos / Thanatos / Thanatos | Aug 11, 2002 | CD |
| PCCA-04969 | | Vanishing Starlight / Sound Horizon / いずれ滅びゆく星の煌めき (ヴァニシング・スターライト) / Sound Horizon / Vanishing Starlight / Sound Horizon | Nov 25, 2020 | UHQCD |
| PCCA-04091 | | Vanishing Starlight / Sound Horizon / ヴァニシング・スターライト / Sound Horizon / Vanishing Starlight / Sound Horizon | Oct 01, 2014 | CD |
| PCCA-04092 | | Vanishing Starlight / Sound Horizon / ヴァニシング・スターライト / Sound Horizon / Vanishing Starlight / Sound Horizon | 2015 | CD |
| PCCA-04090 | | Vanishing Starlight / Sound Horizon [Limited Edition] / ヴァニシング・スターライト / Sound Horizon / Vanishing Starlight / Sound Horizon [Limited Edition] | Oct 01, 2014 | CD + DVD |
| PCCA-04089 | | Vanishing Starlight / Sound Horizon [Limited Edition] / ヴァニシング・スターライト / Sound Horizon / Vanishing Starlight / Sound Horizon [Limited Edition] | Oct 01, 2014 | CD + Blu-ray |
