Award Years for Seiun Award
| 1970's: | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 |
| 1980's: | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 |
| 1990's: | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 |
| 2000's: | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 |
| 2010's: | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 |
| 2020's: | 2020 | 2021 | 2022 | 2023 | - | - | - | - | - | - |
| Best Japanese Long Story | ||
| Win ⓘGiven to the series as a whole. |
グイン・サーガ |
栗本薫?くりもとかおる
Kurimoto Kaoru |
| Best Japanese Short Story | ||
| Win |
自生の夢?Jisei no yume
じせいのゆめ |
飛浩隆?Tobi Hirotaka
とびひろたか |
| Best Translated Long Story | ||
| Win |
最後の星戦?さいごのせいせん
(translation of The Last Colony)
Saigo no Seisen |
ジョン・スコルジー?Jon Sukorujī
Jon Sukorujii |
| Best Translated Short Story | ||
| Win |
暗黒整数?あんこく せいすう
(translation of Dark Integers)
Ankoku Seisū Ankoku Seisuu |
グレッグ・イーガン?Gureggu Iigan
Gureggu Īgan |
| Best Artist | ||
| Win | ---- |
加藤直之?かとうなおゆき
Katō Naoyuki Katou Naoyuki |
| Best Nonfiction | ||
| Win |
日本SF精神史 幕末・明治から戦後まで?Nihon SF Seishinshi: Bakumatsu-Meiji kara Sengo made
にほんSFせいしんし ばくまつ・めいじからせんごまで |
長山靖生?ながやまやすお
Nagayama Yasuo |
| Special Award | ||
| Win | ---- |
柴野拓美?Shibano Takumi
しばのたくみ |