To provide an antibacterial film that can exhibit a sufficient antibacterial effect for space, without impairing the properties of an article in contact with the antibacterial film (e.g. the flavor of a food), and a packaging material containing the antibacterial film.SOLUTION: An antibacterial film contains a base material, an adhesion layer, and a thermal fusion resin layer, the adhesion layer containing an antibacterial agent selected from the group consisting of an aldehyde compound having a molecular weight of 200 or less. When the antibacterial film is heated at 150 degrees centigrade for 20 minutes, the amount of the volatilized antibacterial agent is 0.1-1.5 g/m.SELECTED DRAWING: Figure 1

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