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 |
| Best Japanese Long Story | ||
| Win |
太陽の簒奪者?Taiyō no Sandatsusha
|
野尻抱介?Hōsuke Nojiri
Housuke Nojiri Hosuke Nojiri |
| Best Japanese Short Story | ||
| Win |
おれはミサイル?Ore ha Misairu
Ore wa Misairu |
秋山瑞人?Mizuhito Akiyama
|
| Best Translated Long Story | ||
| Win |
イリーガル・エイリアン?Irīgaru Eirian
(translation of Illegal Alien)
Iriigaru Eirian |
ロバート・J・ソウヤー?Robāto J. Souyā
Robaato J. Souyaa |
| Best Translated Short Story | ||
| Win |
ルミナス?Ruminasu
(translation of Luminous)
|
グレッグ・イーガン?Gureggu Iigan
Gureggu Īgan |
| Best Artist | ||
| Win | ---- |
新海誠?Makoto Shinkai
|
| Best Nonfiction | ||
| Win |
宇宙へのパスポート―ロケット打ち上げ取材日記1999‐2001?Uchū he no Pasupōto: Roketto Uchiage Shuzai Nikki 1999-2001
Uchuu he no Pasupooto: Roketto Uchiage Shuzai Nikki 1999-2001 Uchū e no Pasupōto: Roketto Uchiage Shuzai Nikki 1999-2001 Uchuu e no Pasupooto: Roketto Uchiage Shuzai Nikki 1999-2001 うちゅうへのパスポート―ロケットうちあげしゅざいにっき1999‐2001 |
笹本祐一?ささもとゆういち
Sasamoto Yūichi Sasamoto Yuuichi Sasamoto Yuichi |
| Special Award | ||
| --- No Award Given This Year ------- | ||
| * | ---- | |