A pet water dispenser including a water tank (10) having an upper opening, a pump (20), a water supply pipe (25) connected to the pump to transfer water, and a water supply hole formed in a water supply plate (30) communicating with the water supply pipe. A removable inner assembly may include the pump, the water supply pipe, and the water supply plate, and may further include a wireless power receiver (73) having a receiving coil (731) to receive power from a wireless power transmitter (72), which may include a plurality of partially overlapping coils (721-724).
