Australian Quiz Champion
In the late 1940s and 1950s the Australian National Quiz Championships were run and broadcast live by ABC [Radio (Australia)|ABC Radio]. The quiz was arranged to promote the Federal Government's security loans for post-war reconstruction. Future Prime Minister Gough Whitlam was joint winner in 1948 and runner-up in 1949.
From 2007 the highest-scoring Australian at the World Quizzing Championship has been recognised as the national champion.
In 2024 Quizzing Australia launched a stand-alone domestic event, the Australian Quiz Championships.
Quiz Champions
Champions WQC
| Year | Winner | Runner-up |
| 1948 | S. Robertson, G. Morris, Gough Whitlam, G. Bohman | - |
| 1949 | I.F. Jones | Gough Whitlam |
| 1950 | W.G. McDonald | |
| 2007 | David Regal | |
| 2008 | Trevor Evans | |
| 2009 | David Vickers | |
| 2010 | David Regal | |
| 2011 | Issa Schultz | |
| 2012 | Ross Evans | |
| 2013 | Issa Schultz | |
| 2014 | Issa Schultz | |
| 2015 | Ross Evans | |
| 2016 | Issa Schultz | |
| 2017 | Issa Schultz | |
| 2018 | Issa Schultz | |
| 2019 | Ross Evans | |
| 2020 | Issa Schultz | |
| 2021 | Issa Schultz | |
| 2022 | Issa Schultz | |
| 2023 | Issa Schultz | |
| 2024 | Issa Schultz | |
| 2025 | Issa Schultz |
Multiple individual titles
- 12 - Issa Schultz
- 3 - Ross Evans
Australian Quiz Championships
| Year | Winner | Runner-up | Third place |
| 2024 | Issa Schultz | Ross Evans | Aaran Mohann |
| 2025 | Issa Schultz | David Howse | Aaran Mohann |
Australian Teams Champions
Contested as a four-person event from 2015-2020 inclusive, and as a three-person event in all subsequent years.| Year | Winners |
| 2015 | Geoffrey Gettins, Lindon Johnsson, Graeme Mackie and Gordon McGregor |
| 2016 | Leon Derry, Ross Evans, Jim Huxley and Shane Francis |
| 2017 | Leon Derry, Ross Evans, Jim Huxley and Shane Francis |
| 2018 | Leon Derry, Ross Evans, Jim Huxley and Shane Francis |
| 2019 | Phil Denman, Derk de Graaf, Honza Mikula and Andrea Zijlstra |
| 2020 | Leon Derry, Ross Evans, Jim Huxley and Shane Francis |
| 2021 | Not contested due to COVID-19 |
| 2022 | Gordon McGregor, David Morgan and Aaran Mohann |
| 2023 | David Howse, Beau Howse and Brendan Pigott |
| 2024 | Gordon McGregor, David Morgan and Aaran Mohann |