Leif Preus (18 February 1928 – 5 May 2013) was a Norwegian photographer and museum founder.
He was born in Horten as a son of Sverre Preus (1897–1988) and Marian Christoffersen (1901–1972).
[1] After eight years in the Royal Norwegian Navy he established his photo company Preus Foto in 1956.
He established into a nationwide photo store chain.
In 1976 his family founded Preus Photo Museum, from 2005 named Preus Museum in his hometown Horten.