'''Felsen''' is a surname. Notable people with the surname include:
* Hans-Jürgen Felsen (born 1940), German former sprinter * Henry Felsen (1916–1995), American writer * Leopold B. Felsen (1924–2005), German-born American physicist * Martin Felsen (born 1968), American architect * Vivian Felsen, Canadian translator and artist
==See also== * Felson, another surname
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