| Australia | |
| Badge Size: | 150px |
| Association: | Ice Hockey Australia |
| Coach: | David Ruck |
| Asst Coach: | Jason Kvisle |
| Most Games: | Aubyn Martin (19) |
| Most Points: | Michael Beaton (24) |
| Iihf Code: | AUS |
| First Game: | 10–2 (Bucharest, Romania; 3 March 1983) |
| Largest Win: | 28–0 (Istanbul, Turkey; 30 January 2023) |
| Largest Loss: | 21–1 (Esbjerg, Denmark; 22 March 1987) |
| World Champ2 Name: | IIHF World Junior Championship |
| World Champ2 Apps: | 22 |
| World Champ2 First: | 1983 Group C |
| World Champ2 Best: | 20th overall (1983) |
| Record: | 23–64–1 |
The Australian men's national under 20 ice hockey team is the national under-20 ice hockey team of Australia. The team represents Australia at the International Ice Hockey Federation's World Junior Hockey Championship Division III.
The men's junior team played its first game on 3 March 1983 against Romania which they lost 10 – 2. They played five other games in 1983 against Bulgaria, Hungary and Romania losing every game. The following year Australia played four games, again losing every game and achieving their largest ever loss with a21–1 defeat by Yugoslavia. Australia did not play again until 1987 where they again lost all their games. The team took a longer break, not returning to international play until 2000 where they recorded their first win against Iceland, outscoring them 8 – 4. In 2008 Australia achieved their highest winning margin with a 16 – 0 win over Bulgaria.[1] Australia finished first in the 2010 World Junior Ice Hockey Championships - Division III tournament and gained promotion to Division II of the 2011 tournament.[2]