Back فريدرخ الرابع دوق النمسا Arabic فريدرخ الرابع دوق النمسا ARZ Фрыдрых IV (граф Ціроля) Byelorussian Фридрих IV (Тирол) Bulgarian Frederic IV d'Habsburg Catalan Fridrich IV. Habsburský Czech Friedrich IV. (Tirol) German Φρειδερίκος Δ΄ της Αυστρίας Greek Frederiko la 4-a (Tirolo) Esperanto Federico IV de Austria Spanish
| 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.