To provide a silicone impression material having high viscosity of a kneaded material before curing and low hardness after curing. A dental silicone impression material composition includes:A) an organopolysiloxane mixture comprising a) an organopolysiloxane having at least two aliphatic unsaturated hydrocarbons in one molecule and having a viscosity of 1,000,000 mPa·s or more at 25°C, and b) an organopolysiloxane having at least one aliphatic unsaturated hydrocarbon in one molecule and having a viscosity of 100 to 5,000 mPa·s at 25°C, wherein a ratio of a):b) is 1:0.5 to 10；B) an organohydrogenpolysiloxane having at least three hydrogen atoms directly bonded to a silicon atom in one molecule；C) a silicone-soluble platinum compound；D) an organopolysiloxane not having a functional group； andE) an inorganic filler.
