The Australian National Judo Championships are the highest level of judo competition in Australia. The championships are held annually by Judo Australia, and qualified domestic and overseas judoka compete in their respective categories as representatives of their home states or countries. Both the women's and men's championships began in 1956, with the championships being held in Wollongong, New South Wales between 2012 and 2015.

At the 2011 event, Maria Pekli, a seven-time national championship winner, was awarded Lifetime Membership in Judo Australia.

Weight classes There have been a number of changes to the weight divisions over the life of the championships. There are currently 8 weight classes for each gender, based on the official International Judo Federation weight divisions.

+Men 1956–1965 1966–1967 1968–1976 1977–1997 1998–presentOpen category(no weight limits)HeavyweightHeavyweighto93 kgo95 kgo100 kgLight heavyweightu93 kgu95 kgu100 kgMiddleweightMiddleweightu80 kgu86 kgu90 kgLight middleweightu70 kgu78 kgu81 kgLightweightLightweightu63 kgu71 kgu73 kgu65 kgu66 kgu60 kg

+Women 1956–1970 1971–1976 1977–1978 1979–1997 1998–presentOpen category(no weight limits)Open category(no weight limits)o63 kgo63 kgo72 kgo78 kgu72 kgu78 kgu63 kgu63 kgu66 kgu70 kgu61 kgu63 kgu57 kgu57 kgu56 kgu57 kgu52 kgu50 kgu48 kg

Australian Champions – Women

+Women Year Open State1956C. BrownVIC1957M. KnyvettNSW1958M. KnyvettNSW1959M. KnyvettNSW1960M. KnyvettVIC1961C. ZavatchanosNSW1962M. HardingNSW1963Y. MorrowNSW1964No contest1965J. NeilsonVIC1966No contest1967H. GoulterQLD1968A. McBeanNSW1969J. YarsleyVIC1970C. BullenWA Year Open State +63 kg State −63 kg State −57 kg State1971C. BullenWANo contestNo contestJ. YarsleyVIC1972C. BullenWANo contestNo contestD. MoffittNSW1973No contestJ. LambertVICC. MullerNSWJ. HansberrySA1974No contestM. ShovellerNSWD. SvensonNSWJ. HansberrySA1975No contestM. ShovellerNSWK. LettauNSWS. WilliamsNSW1976No contestM. ShovellerNSWK. LettauNSWS. WilliamsNSW Year Open State +63 kg State −63 kg State −57 kg State −50 kg State1977No contestJ. MorrisonNSWC. BoydNSWS. HendyNSWC. HamblinNSW1978No contestM. RichardsonNSWC. BoydNSWS. HendyNSWC. HamblinNSW Year Open State +72 kg State −72 kg State −66 kg State −61 kg State −56 kg State −52 kg State −48 kg State1979No contestR. RapleyNSWV. BurkeTASM. LongarouxVICK. SheehyNSWS. HendyNSWC. BoydNSWD. SmithNSW1980No contestG. DekkerNSWK. DanielsNSWS. McDonaldNSWD. PotterACTC. HamblynNSWS. WilliamsNSWN. NealeNSW1981No contestG. DekkerNSWW. CallenderNSWS. McDonaldNSWK. SheehyNSWS. WilliamsNSWS. MorettiNSWC. BoydNSW1982No contestY. ZuydanNTG. DekkerNSWK. DanielsNSWS. DuncanNSWS. WilliamsNSWC. BoydNSWJ. ReardonNSW1983No contestY. ZuydanNTG. DekkerNSWK. DanielsNSWW. CallenderNSWS. WilliamsNSWC. BoydNSWJ. ReardonNSW1984S. WilliamsNSWY. ZuydanNTG. DekkerNSWK. DanielsNSWG. BoothNSWS. WilliamsNSWC. BoydNSWJ. ReardonNSW1985G. VanDerLindeNSWY. ZuydanNTG. VanDerLindeNSWK. DanielsNSWW. CallenderNSWT. JohnstonACTC. BoydNSWJ. ReardonNSW1986Y. ZuydanNTG. DekkerNSWG. VanDerLindeNSWK. KatzNSWH. LewisTASS. WilliamsNSWD. VanHoekNSWJ. ReardonNSW1987K. KatzNSWG. DekkerNSWW. CallenderNSWK. KatzNSWA. PepperNSWS. WilliamsNSWS. HallettNSWJ. ReardonNSW1988G. DekkerNSWG. DekkerNSWW. CallenderNSWK. KatzNSWL. SheehyNSWS. WilliamsNSWC. GraingerQLDJ. ReardonNSW1989L. SheehyNSWNo contestD. FanuliNSWN. HillACTL. SullivanVICS. WilliamsNSWC. GraingerQLDJ. ReardonNSW1990S. WilliamsNSWG. DekkerNSWW. CallenderNSWK. KatzNSWL. SheehyVICS. WilliamsNSWS. HallettNSWJ. ReardonNSW1991N. HillACTH. BurnettNSWD. FanuliNSWA. PepperNSWL. SheehyNSWA. DeaconTASC. GraingerQLDJ. ReardonNSW1992L. SheehyNSWH. BurnettNSWC. PearceSAA. PepperNSWL. SheehyNSWA. DeaconTASC. GraingerQLDJ. ReardonNSW1993L. SheehyNSWH. BurnettNSWK. KatzNSWA. PepperNSWL. SheehyNSWN. HillACTS. ChildSAT. KirkmanNSW1994C. DixonNSWH. BurnettNSWN. GaleaNSWA. PepperNSWL. SullivanVICC. ArloveVICR. SullivanVICT. KirkmanNSW1995C. DixonNSWH. BurnettNSWN. GaleaNSWC. DixonNSWL. SheehyNSWN. HillACTC. BrainQLDT. KirkmanNSW1996C. DixonNSWC. CurrenVICN. GaleaNSWC. ArloveVICL. SullivanVICN. HillACTC. BrainQLDT. KirkmanNSW1997C. DixonNSWC. CurrenVICN. GaleaNSWC. DixonNSWL. SullivanVICM. PekliVICR. SullivanVICB. ShuggSA Year Open State +78 kg State −78 kg State −70 kg State −63 kg State −57 kg State −52 kg State −48 kg State1998C. ArloveVICF. AlbrewNSWN. JenkinsonQLDC. ArloveVICC. DixonNSWM. PekliVICR. SullivanVICT. AcciariNSW1999C. ArloveVICNo contestN. JenkinsonQLDN. GaleaNSWL. SullivanVICM. PekliVICR. SullivanVICT. AcciariNSW2000C. ArloveVICNo contestN. JenkinsonQLDC. ArloveVICJ. RaguzNSWM. PekliVICC. LewisVICS. MilliganNSW2001No contestNo contestD. HillACTC. ArloveVICC. DixonACTM. PekliVICA. RaguzNSWS. MilliganACT2002B. GiudiceNSWT. JansenTASL. LavetiNSWC. ArloveVICC. DixonACTM. PekliVICS. ChervonskiNSWJ. SerranoNSW2003C. BarringtonVICJ. MaloneNSWL. LavetiNSWS. ToppNSWB. GiudiceNSWM. PekliVICE. BenstedVICJ. SerranoNSW2004No contestJ. MaloneNSWL. LavetiNSWC. ArloveVICY. MitchellNTS. TaylorVICK. FongNTS. ChervonskiNSW2005L. LavetiNSWJ. MaloneNSWS. GrantTASJ. ShepherdNSWY. MitchellNTC. LewisVICK.MuramatsuVICNo contest2006D. NewhamNSWS. DahlQLDS. GrantTASJ. ShepherdNSWA. NewhamNSWC. LewisVICK.MuramatsuVICNo contest2007C. ArscottQLDS. DahlQLDC. ArscottQLDS. TaylorNSWK. KoenigNSWC. LewisVICK.MuramatsuVICT. DayQLD2008C. ArscottQLDJ. ShepherdNSWS. PalumboVICC. ArscottQLDM. CorfiosQLDE. BenstedVICK.MuramatsuVICH. TrotterNSW2009S. DahlQLDJ. ShepherdNSWS. GrantTASZ. BourkeVICK. KoenigNSWM. SakioACTG. ChadwickNSWH. TrotterNSW2010M. SakioACTJ. ShepherdNSWI. KopecnyNSWT. BettsNTS. CollinsACTM. SakioACTS. TaylorVICA. CopplemanTAS2011No contestNo contestI. KopecnyNSWC. ArscottNSWM. SakioACTC. RenziVICS. TaylorVICA. CopplemanTAS2012K. BeunardNSWM. FisherNTNo contestS. CollinsACTK. Da SilvaNSWC. RenziVICH. TrotterVICC. RaynorQLD2013C. ArscottNSWS. GrantACTI. KopecnyNSWS. CollinsACTK. Da SilvaNSWD. ManuelWAH. TrotterVICC. RaynorQLD2014S. CadadduVICNo contestM. WallisVICA. CoughlanVICT. CrotonQLDE. WrightQLDH. TrotterVICC. RaynorQLD2015M. WallisVICNo contestI. KopecnyNSWS. CollinsACTT. CrotonQLDD. ManuelWAY. HayashiQLDC. HainNSW2016O. OlalekanVICNo contestA. CoughlanVICM. CoughlanVICM. HamashimaQLDY. HayashiQLDK. MihalovitsNSW2017O. UsenkoQLDN. De-BruineNSWA. CoughlanVICM. CoughlanVICN. WrightQLDT. EastonNSWC. HainNSW2018E. UsenkoQLDM. WallisNSWA. CoughlanVICK. HaeckerVICM. HamashimaQLDT. EastonNSWH. ShimazakiTAS2019O. UsenkoQLDA. CoughlanVICM. CoughlanVICT. EastonNSWR. NodaNSWK. MuramatsuVIC2020NoCompetitionHeld2021A. PaduchNSWM. SwanWAS. MiddletonWAM. HamashimaQLDR. TitantiNSWS. Shu-ChingQLD2022A. GeorgiaWAA. CoughlanVICK. HaeckerQLDC. TaylorQLDT. EastonVICY. HayashiQLD2023A. BelangerQLDM. SwanWAA. CoughlanVICM. CoughlanVICA. Flavia Ajuz FerreiraQLDA. FielderQLDA. DoNSW

Australian Champions – Men