An image forming apparatus includes an image forming portion forming an image on a sheet, a first sheet conveyance path guiding the sheet to the image forming portion, a second sheet conveyance path guiding the sheet on which an image has been formed by the image forming portion, and a re-conveyance path connecting the second sheet conveyance path and the first sheet conveyance path. The image forming apparatus further includes a connecting path connecting a point on the way of the second sheet conveyance path with a point on the way of the re-conveyance path and is configured to convey a sheet to the re-conveyance path through the connecting path.