A cable holding structure, comprising: a cable extending from a vehicle body-side member to an in-wheel motor drive device attached to the vehicle body-side member so that the in-wheel motor drive device can move relative to the vehicle body-side member; an elastic member having a through hole through which the cable is passed; and a fixing portion having an opening through which the cable is passed, and disposed on the vehicle body-side member and/or the in-wheel motor drive device to fasten the elastic member, wherein the cable passed through the through hole is restrained by the elastic member subjected to a fastening force, the fixing portion includes a base part having the opening and a fixing member attached and fixed to the base part, the base part and the fixing member face each other in a direction in which the through hole extends, and clamp the elastic member in the direction in which the through hole extends, one of the base part and the fixing member has a tapered hole that receives the elastic member, and the elastic member has a columnar shape and is pressed into the tapered hole by the other of the base part and the fixing member, the base part has a first cutout extending from the opening to an outer edge of the base part, the fixing member has a second opening through which the cable is passed and a second cutout extending from the second opening to an outer edge of the fixing member, and the fixing member is attached and fixed to the base part such that the first cutout and the second cutout are located at different positions and not aligned with each other as viewed in the direction in which the through hole extends. a cable extending from a vehicle body-side member to an in-wheel motor drive device attached to the vehicle body-side member so that the in-wheel motor drive device can move relative to the vehicle body-side member; an elastic member having a through hole through which the cable is passed; and a fixing portion having an opening through which the cable is passed, and disposed on the vehicle body-side member and/or the in-wheel motor drive device to fasten the elastic member, wherein the cable passed through the through hole is restrained by the elastic member subjected to a fastening force, the fixing portion includes a base part having the opening and a fixing member attached and fixed to the base part, the base part and the fixing member face each other in a direction in which the through hole extends, and clamp the elastic member in the direction in which the through hole extends, one of the base part and the fixing member has a tapered hole that receives the elastic member, and the elastic member has a columnar shape and is pressed into the tapered hole by the other of the base part and the fixing member, the base part has a first cutout extending from the opening to an outer edge of the base part, the fixing member has a second opening through which the cable is passed and a second cutout extending from the second opening to an outer edge of the fixing member, and the fixing member is attached and fixed to the base part such that the first cutout and the second cutout are located at different positions and not aligned with each other as viewed in the direction in which the through hole extends.