Provided is a cable connector which includes: a housing; and a cable holder capable of holding one end side of the cable. The cable holder includes at least three first to third engagement portions on each of opposing outer side surfaces, in a direction along a lead-out direction where the cable held on the one end side by the cable holder is led out from the cable holder, the first engagement portion is placed on a side far from the cable lead-out side of the cable holder, the second engagement portion is placed on a side near the lead-out side, and the third engagement portion is placed between the first engagement portion and the second engagement portion, the housing includes at least three first to third corresponding engagement portions capable of engaging respectively with the first to third engagement portions, on each of opposing inner side surfaces, it is configured in such a manner that, upon the first to third engagement portions engaging with the first to third corresponding engagement portions, respectively, the cable holder is capable of being placed at least at a first engagement position and a second engagement position with respect to the housing, at the first engagement position, the first and second engagement portions are in engagement with the first and second corresponding engagement portions, respectively, while the third engagement portion has not yet engaged with the third corresponding engagement portion, and at the second engagement position, all the first to third engagement portions are in engagement with the first to third corresponding engagement portions, respectively.