| House of Kőszegi | |
|---|---|
| Country | Hungary |
| Parent house | Genus Héder |
| Founded | c. 1244 |
| Founder | Henry I |
| Final ruler | Andrew |
| Dissolution | 1324 |
| Cadet branches | House of Rohonci House of Tamási House of Herceg |
The Kőszegi was a noble family in the Kingdom of Hungary in the 13–14th centuries. The ancestor of the family, Henry the Great descended from the gens ("clan") Héder. Henry's paternal great-grandfather was the clan's co-founder Wolfer.