To provide an adhesive composition, an adhesive film and an adhesive tape excellent in adhesiveness at ambient temperature, heat resistant adhesiveness, adhesiveness at ambient temperature after left at high temperature, and heat resistant adhesiveness after left at high temperature.

The adhesive composition includes the following components: (A) an acrylic elastomer, (B) an resol type phenolic resin, (C) a maleimide-containing compound, (D) an amine compound, and (E) an epoxy resin, wherein the acrylic elastomer (A) contains a nitrile group and an epoxy group, Tg is ≥-10°C, and a weight average molecular weight is ≥300,000.