Provided are: an antibacterial solution that has excellent sedimentation resistance; an antibacterial film that is formed using the antibacterial solution; and a wet wipe using the antibacterial solution. The antibacterial solution contains fine particles of an antibacterial agent, a binder, and a solvent, wherein the fine particles of the antibacterial agent comprise a silver-carrying inorganic oxide; the average diameter of the fine particles of the antibacterial agent is not larger than 1.0 µm; the binder comprises at least one kind of silane compound; the solvent comprises an alcohol and water; and the content of the alcohol is 10% by mass or more relative to the total mass of the antibacterial solution.