An image forming apparatus having: an image forming section to form a toner image on an image carrier; a transfer section to transfer onto a transfer medium the toner image formed on the image carrier; and a pair of opposing transfer guide members to guide the transfer medium into the transfer section, wherein a front edge of one transfer guide member, arranged on a side of the image carrier out of the pair of the transfer guide members, is disposed separately from the other transfer guide member, and one side portion of the front edge of the transfer guide member is more protruded than the other side portion into a conveying direction of the transfer medium.