Dietrich von Katlenburg
Dietrich von Katlenburg is the name of the following people:
- Dietrich I. von Katlenburg († 1056), Count in Lies- and Rittigau
- Dietrich II of Katlenburg († 1085), count in Lies- and Rittigau
- Dietrich III. von Katlenburg (around 1075 / 80–1106), Count of Katlenburg
