An object of the present invention is to provide an adhesive composition and a coating composition that have storage stability, high adhesiveness, and excellent blocking resistance and water resistance. The present invention provides a crystalline polyester resin comprising: a polyvalent carboxylic acid component and polyhydric alcohol component as a copolymerization components, wherein, 30 to 70 mol % of terephthalic acid, 10 to 60 mol % of 1,4-cyclohexanedicarboxylic acid, 5 to 30 mol % of aliphatic dicarboxylic acid having 10 or smaller of carbon atoms, and less than 3 mol % of an aromatic dicarboxylic acid component having a sulfonate group are contained as the polyvalent carboxylic acid component; and 50 to 100 mol % of 1,4-butanediol is contained as the polyhydric alcohol; wherein, an acid value of the crystalline polyester resin is 100 to 600 eq/t; a glass transition temperature of the crystalline polyester resin is −30 to 30° C.; a melting point of the crystalline polyester resin is 70 to 160° C.; and a number-average molecular weight of the crystalline polyester resin is 5000 to 40000.