Award Years for Ditmar Award / Australian Science Fiction Achievement Award
| 1960's: | - | - | - | - | - | - | - | - | - | 1969 |
| 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 | - | - | - | - | - | - | - |
| Best Australian Long Fiction | ||
| Win | Permutation City | Greg Egan |
| Nomination | Deersnake | Lucy Sussex |
| Nomination | Genetic Soldier | George Turner |
| Nomination | Voices in the Light | Sean McMullen |
| Best Short Fiction | ||
| Win | Cocoon | Greg Egan |
| Nomination | Jinx Ship | Leanne Frahm |
| Nomination | Land's End | Leanne Frahm |
| Nomination | Our Lady of Chernobyl | Greg Egan |
| Nomination | The Patternmaker | Dave Luckett |
| Best Artwork | ||
| Nomination | Artwork in Aurealis and Eidolon | Shaun Tan |
| Best Fan Writer | ||
| Win | ---- | Terry Frost |
| Nomination | ---- | Ian Gunn |
| Nomination | ---- | Graham Stone |
| Best Fan Artist | ||
| Win | ---- | Ian Gunn |
| Nomination | ---- | Kerri Valkova |
| Special Committee Award | ||
| Win | ---- | Peter Nicholls |
| Best Fanzine | ||
| Win | Thyme | Alan Stewart |
| Nomination | Gegenschein | Eric B. Lindsay |
| Nomination | Sirius | Garry Wyatt |
| Nomination | The Mentor | Ron L. Clarke |