Gerrit Holdijk (born 17 November 1944 in Uddel) is a Dutch jurist and former politician.Holdijk is a member of the Reformed Political Party (SGP). On behalf of this party he was a member of the States-Provincial of Gelderland from 1987 to 2011. He was also a member of the Senate from 1986 to 1987 and again from 1991 to 2015.As a senator he was dealing with matters in the field of justice, home affairs and agriculture.