The Austria national under-21 football team is the national under-21 football team of Austria and is controlled by the Austrian Football Association.

This team is for Austrian players aged 21 or under at the start of a two-year European Under-21 Football Championship campaign, so players can be, and often are, up to 23 years old.

Austria U21 on Austria jalgpallikoondise noortekoondis, mis esindab riiki alla 21-aastaste rahvusvahelistel jalgpallivõistlustel ja sõpruskohtumistel. Meeskonda haldab Austria Jalgpalliliit.