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| Helena of Hungary | |
|---|---|
| Duchess consort of Austria | |
 Duchess Helena, Babenberger Stammbaum, Klosterneuburg Monastery | |
| Born | c. 1155 |
| Died | 25 December 1199 |
| Burial | |
| Spouse | Leopold V, Duke of Austria |
| Issue | Frederick I Leopold VI Agnes of Austria Bertha of Austria |
| House | Árpád |
| Father | Géza II of Hungary |
| Mother | Euphrosyne of Kiev |
Helena (Ilona) of Hungary (c. 1155 – 25 December 1199), a member of the royal Árpád dynasty, was Duchess of Austria from 1177 and Styria from 1192 to 1194 by her marriage with the Babenberg duke Leopold V of Austria.