'''Westenholz''' is a surname. Notable people with the surname include:
*Anders Westenholz (1936–2010), Danish psychologist and writer *Caroline de Westenholz (born 1954), British-Dutch historian *Charles von Westenholz (1945–2006), British alpine skier *Elisabeth Westenholz (born 1942), Danish classical pianist and organist *Jane von Westenholz (born 1953), British courtier *Joan Goodnick Westenholz (1943–2013), American archaeologist *Piers von Westenholz (born 1943), British alpine skier *Sophia Maria Westenholz (1759–1838), German classical composer, musician, singer and music educator
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