'''Dietel''' is a surname. Notable people with the surname include:
* Andreas Dietel (born 1959), German speed skater * Heinrich Gotthold Dietel (1839–1911), German textile industry entrepreneur * Johann Ludwig Dietel, transcriber of the Dietel manuscript * Paul Dietel (1860–1947), German mycologist
==See also== * Dietel Palace, a neo-baroque palace in Sosnowiec, Poland * Dietl
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