| Frederick IV | |
|---|---|
| Duke of Austria | |
 Portrait by Anton Boys | |
| Born | 1382 |
| Died | 24 June 1439 Innsbruck, Tyrol |
| Burial | Stams Abbey |
| Spouse | Elisabeth of the Palatinate Anna of Brunswick-Lüneburg |
| Issue | Sigismund, Archduke of Austria |
| House | House of Habsburg |
| Father | Leopold III |
| Mother | Viridis Visconti |
Frederick IV (1382 – 24 June 1439), also known as Frederick of the Empty Pockets (German: Friedrich mit der leeren Tasche), a member of the House of Habsburg, was Duke of Austria from 1402 until his death. As a scion of the Habsburg Leopoldian line, he ruled over Further Austria and the County of Tyrol from 1406 onwards.