Adelaide of Rheinfelden
| Adelaide of Rheinfelden | |
|---|---|
| Queen consort of Hungary | |
| Tenure | 25 April 1077 – May 1090 |
| Born | c. 1065 |
| Died | May 1090 |
| Spouse | Ladislaus I of Hungary |
| Issue | Unnamed daughter, wife of Iaroslav Sviatopolchich of Volhinia Empress Irene of Byzantium |
| House | Rheinfelden |
| Father | Rudolf of Rheinfelden |
| Mother | Adelaide of Savoy |
Adelaide of Rheinfelden (or Adelaide of Swabia) (German: Adelheid) (1060s – May 1090), was Queen of Hungary by marriage to King Ladislaus I.