Disclosed is an electrophotographic photosensitive body which is improved in electrophotographic characteristics such as sensitivity and residual potential, while having excellent durability. Specifically disclosed is an electrophotographic photosensitive body comprising a layer containing one or more specific p-terphenyl compounds and one or more polycarbonate resins represented by the following general formula (I). (I) The mass ratio between the p-terphenyl compounds and the polycarbonate resins contained in the layer is within the range from 2:8 to 7:3.