Proch may refer to:
means "powder" (, (wikt))
Surnames Heinrich Proch (1809–1878), 19th century Austrian composer Louise Proch, singer and actress, daughter of Heinrich Proch Bolesław Proch (1952–2012), Polish motorcycle speedway rider Walter Proch (born 1984), Italian cyclist Daniele Proch (born 1996), Italian soccer player
See also Broch (disambiguation)