An electrolyzed water generator comprising: an anode; a cathode; a cation exchange membrane provided between the anode and the cathode; a housing having an inlet (Fin) into which water flows and an outlet (Fout) from which water flows out, the housing enclosing the anode, the cathode, and the cation exchange membrane and having a first through-hole and a second through-hole; a first feeder shaft electrically connected to the anode, the first feeder shaft extending in a given direction to penetrate the first through-hole; a second feeder shaft electrically connected to the cathode, the second feeder shaft extending in the given direction to penetrate the second through-hole; a first spring connecting the anode to the first feeder shaft; and a second spring connecting the cathode to the second feeder shaft, wherein each of the first feeder shaft and the second feeder shaft has an engaging portion, each of the first through-hole and the second through-hole has an engaged portion, the engaging portion and the engaged portion are engaged with each other to inhibit a positional shift of the first feeder shaft against the first through-hole in the given direction and to inhibit a positional shift of the second feeder shaft against the second through-hole in the given direction, each of the first feeder shaft and the second feeder shaft has a first shaft portion having a relatively large diameter and extending in the given direction, and a second shaft portion having a relatively smaller diameter than the relatively large diameter of the first shaft portion and extending in the given direction, a stepped projection between the first shaft portion and the second shaft portion is provided as the engaging portion, each of the first through-hole and the second through-hole has a first through-hole portion having a relatively large diameter and extending in the given direction, and a second through-hole portion having a relatively smaller diameter than the relatively large diameter of the first through-hole portion and extending in the given direction, and a stepped through-hole between the first through-hole portion and the second through-hole portion is provided as the engaged portion, characterized in that the first spring is integrally formed with the anode, and the second spring is integrally formed with the cathode. an anode; a cathode; a cation exchange membrane provided between the anode and the cathode; a housing having an inlet (Fin) into which water flows and an outlet (Fout) from which water flows out, the housing enclosing the anode, the cathode, and the cation exchange membrane and having a first through-hole and a second through-hole; a first feeder shaft electrically connected to the anode, the first feeder shaft extending in a given direction to penetrate the first through-hole; a second feeder shaft electrically connected to the cathode, the second feeder shaft extending in the given direction to penetrate the second through-hole; a first spring connecting the anode to the first feeder shaft; and a second spring connecting the cathode to the second feeder shaft, wherein each of the first feeder shaft and the second feeder shaft has an engaging portion, each of the first through-hole and the second through-hole has an engaged portion, the engaging portion and the engaged portion are engaged with each other to inhibit a positional shift of the first feeder shaft against the first through-hole in the given direction and to inhibit a positional shift of the second feeder shaft against the second through-hole in the given direction, each of the first feeder shaft and the second feeder shaft has a first shaft portion having a relatively large diameter and extending in the given direction, and a second shaft portion having a relatively smaller diameter than the relatively large diameter of the first shaft portion and extending in the given direction, a stepped projection between the first shaft portion and the second shaft portion is provided as the engaging portion, each of the first through-hole and the second through-hole has a first through-hole portion having a relatively large diameter and extending in the given direction, and a second through-hole portion having a relatively smaller diameter than the relatively large diameter of the first through-hole portion and extending in the given direction, and a stepped through-hole between the first through-hole portion and the second through-hole portion is provided as the engaged portion, characterized in that the first spring is integrally formed with the anode, and the second spring is integrally formed with the cathode.