The Australia women's national under-19 basketball team is the women's basketball team representing Australia for all international under-19, under-18, and under-17 women's basketball competitions, including the U19 Women's World Cup, Asian Championship, and the Oceania Championship.

The team is nicknamed the Gems, an abbreviation for the word gemstone.

[1] In 1993, the Gems (which won a gold medal) won the Australian Institute of Sport Athlete (team) of the Year.

[2] The first FIBA U19 World Championships were in 1985, and the Gems have participated in every tournament to date.

From 1985, the under-19 World Championships were held every four years.