A wire gripper 10, which is lightweight and can perform a work for holding a gripped state of a tensioned wire easily and safely, is provided with a stationary gripping body 12 having a wire-like body pressing-down portion 24; a swinging member 14 swingably attached to the stationary gripping body by a supporting shaft 70; a movable gripping body 16 having a wire-like body holding portion; a connection member 18 swinging the swinging member; and a swinging member restricting portion 20 restricting an amount of swinging of the swinging member, wherein the stationary gripping body 12 is formed with reinforcing portions 32 and 40 in a region in which the supporting shaft is attached, and a wire-like body W clamped does not disengage from between the movable gripping body 16 whose movement amount is restricted by the swinging member restricting portion 20 and the stationary gripping body 12.