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 |
七瀬ふたたび?Nanase Futatabi
|
筒井康隆?Tsutsui Yasutaka
つつい やすたか |
| Best Japanese Short Story | ||
| Win |
ヴォミーサ?Vomīsa
|
小松左京?Komatsu Sakyou
Komatsu Sakyō こまつさきょう Komatsu Sakyo |
| Best Translated Long Story | ||
| Win |
わが名はコンラッド?わがなはコンラッド
(translation of This Immortal)
Waga Na ha Konraddo Waga Na wa Konraddo |
ロジャー・ゼラズニイ?Rojā Zerazunii
|
| Best Translated Short Story | ||
| Win |
ぬれた洞窟壁画の謎?ぬれたどうくつへきがのなぞ
(translation of Wet Paint)
Nureta Dōkutsu Hekiga no Nazo Nureta Doukutsu Hekiga no Nazo |
A・B・チャンドラー?A. B. Chandorā
A. B. Chandoraa |
| Special Award | ||
| --- No Award Given This Year ------- | ||
| * | ---- | |