Deringer (surname)
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Deringer is a German surname. It originates from either a personal name or toponym. Notable people with the surname include:
- Arved Deringer (1913–2011), German lawyer and politician
- Henry Deringer (1786–1868), American gunsmith, the son of Henry Deringer Sr.
- Henry Deringer Sr. (1756–1833), American gunsmith, the father and mentor of Henry Deringer Jr.