An active geometry control suspension, may include an assist link of which a wheel is connected to one end portion thereof to guide a movement of the wheel, a moving member, one portion of which is pivotally fixed to the other end portion of the assist link, a guide formed in the moving member and including a slot to slidably receive the moving member therein so as to guide a movement of the moving member, a body that is fixed to a vehicle body to connect the guide thereto, and a driving portion coupled to the other portion of the moving member and moving the moving member along the slot to vary a position of the assist link and thus to vary an alignment angle of the wheel.