The present invention provides an antibacterial artificial nail composition which can form a cured article having an antibacterial effect by applying the composition on a surface of a natural nail or an artificial nail and polymerizing the composition, using an artificial nail technique of forming a cured article on a natural nail or an artificial nail.Disclosed is an antibacterial artificial nail composition comprising (A) a compound having at least one radical polymerizable unsaturated double bond and an antibacterial group in the molecule and/or (B) an antibacterial filler, (C) a compound having at least one radical polymerizable unsaturated double bond in the molecule, and (D) a polymerization initiator.