Bertha of Rheinfelden | |
|---|---|
| Born | c. 1065 |
| Died | c. 1133 |
| Noble family | Rheinfelden |
| Spouse(s) | Ulrich X of Bregenz |
| Issue |
|
| Father | Rudolf of Rheinfelden |
| Mother | Adelaide of Savoy |
Bertha of Rheinfelden (also Bertha of Bregenz) (born c. 1065; d. after 1128), countess of Kellmünz, was the daughter of Rudolf of Rheinfelden and wife of Ulrich X of Bregenz.