Low iron
Eisenarm is the nickname for the following people:
- Baldwin I (Flanders) called Eisenarm (* between 837 and 840; † 879) was the first Count of Flanders
- William IV (Aquitaine) called Fierabrace (iron arm) († 995/996) was Duke of Aquitaine
- Wilhelm Eisenarm († 1046) was a Norman ruler
- Patty Frank alias Eisenarm was a German artist, museologist and Indian researcher