A compound-eye camera module comprising: a plurality of monocular camera modules; and a connecting member that connects the plurality of monocular camera modules together, wherein the plurality of monocular camera modules are connected together by fitting a camera-side positioning portion for positioning formed on a camera-side reference surface of each of the monocular camera modules and a member-side positioning portion for positioning formed on a member-side reference surface of the connecting member together, wherein each of the monocular camera modules is aligned in an optical axis direction, wherein: the camera-side reference surface and the member-side reference surface are surfaces facing each other in the optical axis direction, and the camera-side positioning portion of the camera-side reference surface and the member-side positioning portion of the member-side reference surface facing the camera-side reference surface are respectively formed to have corresponding shapes at corresponding positions, wherein the camera-side positioning portion is formed as a hole, and the member-side positioning portion is formed as a protrusion (161, 162), the member-side reference surface is a part of a surface included in the connecting member, the member-side positioning portion is formed on the part of the surface included in the connecting member, an insertion hole is penetratingly formed in the connecting member, the insertion hole being a portion in which a part of each of the monocular camera modules is inserted, the part of each of the monocular camera modules is inserted and fixed in the insertion hole of the connecting member, and the member-side reference surface and a sensor-surface of each of the monocular camera are facing each other in the optical axis direction. a plurality of monocular camera modules; and a connecting member that connects the plurality of monocular camera modules together, wherein the plurality of monocular camera modules are connected together by fitting a camera-side positioning portion for positioning formed on a camera-side reference surface of each of the monocular camera modules and a member-side positioning portion for positioning formed on a member-side reference surface of the connecting member together, wherein each of the monocular camera modules is aligned in an optical axis direction, wherein: the camera-side reference surface and the member-side reference surface are surfaces facing each other in the optical axis direction, and the camera-side positioning portion of the camera-side reference surface and the member-side positioning portion of the member-side reference surface facing the camera-side reference surface are respectively formed to have corresponding shapes at corresponding positions, wherein the camera-side positioning portion is formed as a hole, and the member-side positioning portion is formed as a protrusion (161, 162), the member-side reference surface is a part of a surface included in the connecting member, the member-side positioning portion is formed on the part of the surface included in the connecting member, an insertion hole is penetratingly formed in the connecting member, the insertion hole being a portion in which a part of each of the monocular camera modules is inserted, the part of each of the monocular camera modules is inserted and fixed in the insertion hole of the connecting member, and the member-side reference surface and a sensor-surface of each of the monocular camera are facing each other in the optical axis direction. the camera-side reference surface and the member-side reference surface are surfaces facing each other in the optical axis direction, and the camera-side positioning portion of the camera-side reference surface and the member-side positioning portion of the member-side reference surface facing the camera-side reference surface are respectively formed to have corresponding shapes at corresponding positions, wherein the camera-side positioning portion is formed as a hole, and the member-side positioning portion is formed as a protrusion (161, 162), the member-side reference surface is a part of a surface included in the connecting member, the member-side positioning portion is formed on the part of the surface included in the connecting member, an insertion hole is penetratingly formed in the connecting member, the insertion hole being a portion in which a part of each of the monocular camera modules is inserted, the part of each of the monocular camera modules is inserted and fixed in the insertion hole of the connecting member, and the member-side reference surface and a sensor-surface of each of the monocular camera are facing each other in the optical axis direction.