A wiper apparatus comprising: a first wiper arm which wipes a windshield provided so as to surround a vehicle interior and performs swing movement around a pivot shaft; a second wiper arm different in wiping region of the windshield from the first wiper arm; a wiper motor provided below the windshield in a height direction of the vehicle, and configured to generate a drive power to be transmitted to the pivot shaft, the wiper motor being housed in a casing, the pivot shaft extending from the casing; the wiper apparatus comprising a power transmission mechanism for transmitting the drive power from the pivot shaft to the first wiper arm, wherein the power transmission mechanism includes: a swing member fixed to the pivot shaft and swung around the pivot shaft; and a first support shaft configured to support the first wiper arm, wherein with the first wiper arm stopped or swung, the first support shaft is provided in such a way that a coupling section between the first support shaft and the first wiper arm is positioned in front of a front end of the windshield; and wherein the power transmission mechanism further includes: a second support shaft fixed to an end portion of the second wiper arm; a first link member rotatably coupled at a position on the swing member, which deviates from the pivot shaft; and a second link member having one end rotatably coupled with the first link member and the other end fixed with the second support shaft; with the second wiper arm stopped or swung, the second support shaft is provided in such a way that a coupling section between the second support shaft and the second wiper arm is positioned in front of the front end of the windshield; and wherein a longitudinal central portion of the swing member is fixed to the pivot shaft, and one longitudinal end portion of the swing member is coupled to the first link member characterized in that the first support shaft is fixed to the other longitudinal end portion of the swing member which deviates from the pivot shaft, and at least one part of the wiper motor is located within a projection region of the windshield in a longitudinal direction of the vehicle on a plane along a horizontal direction of the vehicle and at least one part of the first link member and the second link member is located within the projection region of the windshield on the plane along the horizontal direction of the vehicle. a first wiper arm which wipes a windshield provided so as to surround a vehicle interior and performs swing movement around a pivot shaft; a second wiper arm different in wiping region of the windshield from the first wiper arm; a wiper motor provided below the windshield in a height direction of the vehicle, and configured to generate a drive power to be transmitted to the pivot shaft, the wiper motor being housed in a casing, the pivot shaft extending from the casing; the wiper apparatus comprising a power transmission mechanism for transmitting the drive power from the pivot shaft to the first wiper arm, wherein the power transmission mechanism includes: a swing member fixed to the pivot shaft and swung around the pivot shaft; and a first support shaft configured to support the first wiper arm, wherein with the first wiper arm stopped or swung, the first support shaft is provided in such a way that a coupling section between the first support shaft and the first wiper arm is positioned in front of a front end of the windshield; and wherein the power transmission mechanism further includes: a second support shaft fixed to an end portion of the second wiper arm; a first link member rotatably coupled at a position on the swing member, which deviates from the pivot shaft; and a second link member having one end rotatably coupled with the first link member and the other end fixed with the second support shaft; with the second wiper arm stopped or swung, the second support shaft is provided in such a way that a coupling section between the second support shaft and the second wiper arm is positioned in front of the front end of the windshield; and wherein a longitudinal central portion of the swing member is fixed to the pivot shaft, and one longitudinal end portion of the swing member is coupled to the first link member characterized in that the first support shaft is fixed to the other longitudinal end portion of the swing member which deviates from the pivot shaft, and at least one part of the wiper motor is located within a projection region of the windshield in a longitudinal direction of the vehicle on a plane along a horizontal direction of the vehicle and at least one part of the first link member and the second link member is located within the projection region of the windshield on the plane along the horizontal direction of the vehicle.