A damping integrated device, a damper, and a wind turbine are provided. The damping integrated device includes: a base body including an inner cavity extending in the lengthwise direction thereof; a frequency adjustment component disposed in the inner cavity and including an elastic member and a connecting member; a first connector extending into the inner cavity and at least partially protruding out of the base body in the lengthwise direction, the first connector being capable of moving relative to the base body, to make the elastic member stretch or shrink in the lengthwise direction; and a damping component disposed in the inner cavity, being connected to the connecting member and at least partially abutting against an inner wall of the base body, and the damping component being configured to absorb kinetic energy of the first connector.