A pet water dispenser may include a water tank having an upper opening, a pump installed inside the water tank, a water supply pipe connected to the pump to transfer water, and a water supply plate having a water supply hole through which water is supplied from the water supply pipe. The water supply plate may include a plate body inclined upward from the water supply hole to an edge of the water supply plate. Water ejected from the water supply hole may form a ring or a water wall that pets may consume from all angles around the pet water dispenser.