Gebhard I.
Gebhard I. is the name of the following people:
- Gebhard I. (Constance) , Bishop of Constance
- Gebhard I. (Speyer) , Bishop of Speyer
- Gebhard I. (Querfurt) (~ 970– ~ 1017), Lord of Querfurt
- Gebhard I (Regensburg) († 1023), Bishop of Regensburg
- Gebhard I. von Eichstätt (~ 1020–1057), Bishop of Eichstätt, Pope, see Viktor II.
- Gebhard I. von Plain (1170–1232), Bishop of Passau
- Gebhard I. von Waldburg (1547–1601), Elector and Archbishop of Cologne
