Omer Rudolphe Jean, Viscount Vanaudenhove (3 December 1913 – 26 November 1994) was a
Belgian liberal politician, mayor and minister. A businessman, Vanaudenhove was an owner of a shoe factory. He was burgomaster of Diest (1947–1955 and 1974–1976), liberal senator (1954–1974), president of the
Liberal Party (1961) and president and founder of the
PVV-PLP (1961–1969).