An optical connector that permits an optical fiber ribbon to be led out in multiple directions and an optical fiber module that uses the optical connector are provided. The optical connector comprises a connector main body and a guide groove formed on the connector main body in which an optical fiber ribbon is arranged, wherein the guide groove is comprised of an end face holding slot, a vertical guiding face, an arcuate guiding face formed in arc-shape, and a positioning face for widthwise positioning and fixing the optical fiber ribbon and wherein the vertical guiding face and the arcuate guiding face and the positioning face define a space that opens toward a top face of the connector main body; and the optical fiber module comprises the optical fiber ribbon and the optical connector.