A protector includes a body portion defining a plurality of paths through which electric wires of a wire harness can pass, an electric holding portion and a cover portion. The electric wire holding portion includes a holding piece which can be disposed so as to pass through an upper side of a first path and extend toward a partition wall from a first side wall, an engaging piece which can be disposed so as to pass through a lower side of a second path and extend toward a second side wall from the partition wall, and an intermediate piece which connects the holding piece and the engaging piece, and is fixable to the body portion.