Knockgraben
Knockgraben is a water body name:
- Knockgraben (Baunach) , right Auengraben to Baunach before Reckendorf , Bamberg district, Bavaria
- Knockgraben (Kessach) , right tributary of the Kessach in Merchingen , town of Ravenstein, Neckar-Odenwald district, Baden-Wuerttemberg