There is provided a coating composition which comprises (A) a synthetic resin having functional group, (B) a stain-proofing component which is a liquid polydialkylsiloxane having functional group or a liquid fluoropolyether having functional group and (C) a curing agent, and the composition is excellent in a stain-proofing property, particularly removability of oily stain, thereby enabling scribbling to be easily wiped off, and is suitable for outdoor coating being excellent in weather resistance and adhesion.