'''Massin''' is a surname. Notable people with the surname include:
*Brigitte Massin (1927–2002), French musicologist and journalist *Caroline Massin (1802–77), French seamstress and bookseller *Dona Massin (1917–2001), Canadian choreographer *Jean Massin (1917–1986), French historian and musicologist *Kain Massin, Australian writer *Robert Massin, French graphic designer
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