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

Australias U19-kvinnelandslag i basketball, også kjent som Gems, er landslaget som representerer Australia i internasjonal basketball for kvinner i U19-klassen. Laget styres av Basketball Australia og konkurrerer i FIBA Oceania og FIBA-verdensmesterskapet for kvinner under 19 år.