'''Deininger''' is a surname. Notable people with the surname include:
*Beate Deininger (born 1964), German field hockey player *David G. Deininger (born 1947), American politician and jurist *Leonhard Deininger (1910–2002), German politician *Pep Deininger (1877–1950), German baseball player *Wunibald Deininger (1879–1963), Austrian architect and art teacher
==See also== *Deninger, another surname
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