Herman I
# Herman I

Herman I may refer to:

* Herman I (Archbishop of Cologne) (died in 924)
* Herman I, Duke of Swabia (died in 949)
* Herman I, Count Palatine of Lotharingia (died in 996)
* Herman I, Margrave of Meissen (died in 1038)
* Herman I, Margrave of Baden (c. 1040 – 1074)
* Herman I, Count of Winzenburg (c. 1083 – 1137 or 1138)
* Herman I, Lord of Lippe (ruled 1158–1167)
* Hermann I, Landgrave of Thuringia (died in 1217)
* Herman I, Count of Henneberg (1224–1290)
* Hermann I, Count of Celje (1433-1485)
