Miscellanea
- Fritz-chip, secure cryptoprocessor of the Trusted Computing Group
- "Fritz" helmet, nickname for the Personnel Armor System for Ground Troops kevlar helmet currently used by the US Military
- Fritz, alternate name for Devon sausage
- Fritz handle, cane handle developed by a German count to make cane use by the arthritic sufferer more comfortable.
- Chester Fritz Auditorium and Chester Fritz Library, facilities on the University of North Dakota campus in Grand Forks
- Fritz Industries, manufacturing company based in Dallas, Texas
- Fritz Tile, also spelled Fritztile, brand of resilient terrazzo floor tile
- "On the fritz", phrase meaning an appliance is broken or malfunctioning (imitating the sound of electric spark)
- Old Fritz is also a character who appears in the manga, Hetalia: Axis Powers, as Prussia's boss
- Fritz (radio station), a German radio station
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