The image forming apparatus includes: a holding and conveyance device which has a round cylindrical shape and is rotatable about a rotational axis, the holding and conveyance device conveying a recording medium in a prescribed conveyance direction by rotating about the rotational axis while holding the recording medium on an outer circumferential surface of the holding and conveyance device, the holding and conveyance device having a recess section arranged in a direction parallel to the rotational axis at a prescribed position on the outer circumferential surface of the holding and conveyance device; an end portion holding member which is arranged in the recess section and has an end portion holding surface by which at least one of a leading end portion and a trailing end portion of the recording medium held on the outer circumferential surface is held to an inner side relative to an image forming surface of the recording medium held on the outer circumferential surface; and an image forming device which forms an image on the recording medium held on the holding and conveyance device, wherein: a radius of curvature of the end portion holding surface is smaller than a radius of the outer circumferential surface; and a tangential direction of the end portion holding surface at an end of the end portion holding surface on a side of the outer circumferential surface is substantially a same with a tangential direction of the outer circumferential surface at an end on a side of the end portion holding surface.